| Person: |
|
Characters |
Episodes |
| • Lew Brown | played | Firearms Technician / Document Examiner / Firearms Expert / SAC Allen Bennett / Agent Perry Farrar / Special Agent Allan Bennett | 18 Episodes |
| • Anthony Eisley | played | Special Agent Kirby Greene / Special Agent Chester Randolph / S.A.C. Chet Randolph / Special Agent Chet Randolph / Agent Wright | 17 Episodes |
| • Dean Harens | played | Alvin Forest / S.A.C. Bryan Durant | 15 Episodes |
| • John Mayo (1) | played | Document Examiner / Ballistics Technician / Cryptanalyst / Jim Woods / Crawford / F.B.I. Lab Examiner / Bureau Supervisor / 1st Bureau Supervisor / Todd Elkton / FBI Technician | 12 Episodes |
| • Robert Knapp | played | First Special Agent / Special Agent White / Agent Noel McDonald / Lee Amboy / S.A.C. Noel McDonald / S.A.C. McDonald / S.R.A. Mullins / S.A.C. Noel MacDonald / Special Agent Lawrence Douglas | 11 Episodes |
| • Dabbs Greer | played | Paul Leonard / Harry Porter / Doyle / Kelsey Waller / Sal Cleary / Howard Deal / Arlie Sessions / Orkin / Patrick Owens / Van Doyle | 10 Episodes |
| • Scott Marlowe | played | Arnold George Casey / Unknown / Bob Stern / Clenard Massey / Ray "Duke" Bergan / Richard Arthur Kriton / Billy Rockhill / Eugene Waring / Charles Nyack | 10 Episodes |
| • James Sikking | played | Hair and Fibers Expert / Special Agent #2 / SA Ed Spanger / SRA Herbert Withers / Harte / Dan Marly / S.R.A. Dan Menifee | 9 Episodes |
| • Forrest Compton | played | Dale Newton / Glenn Orland / George Litt / S.A.C. Edgar Brocton / S.A.C. Anthony Harper / R.A. McAdams / Bernard Stoddard / Special Agent Henry Andover | 9 Episodes |
| • Richard O'Brien (2) | played | Peer / Captain Jenkins / Keno Donnelly / George R. Whelan / Hauser / Carl Degner / Jim O´Brien / Sheriff / Smokey | 9 Episodes |
| • Garrison True | played | Corporal Eaton / Bellboy / Lieutenant / George Harris / Agent / Portland Special Agent / Patrol Officer / Special Agent / Helicopter Observer | 9 Episodes |
| • Hank Brandt | played | Calvin Lee / Graham Carter / Lab Technician / Rod Selwyn / S.A.C. Bill Converse / S.A.C. William Converse / Special Agent John Potter | 8 Episodes |
| • James Nolan | played | Cab Driver / Shifter Hogan / Security Guard / Neighbour / New York State Policeman / Bartender / Sprall / Sheriff | 8 Episodes |
| • Peter Mark Richman | played | Maury Maddock / Ted Hammond / Unknown / John Sutton / Rudy Walden / Vincent Manion / Vincent Gray / John Parker | 8 Episodes |
| • John Ward | played | Sheriff Abbott / Farr / Officer / Don Harper / Agent Clinton Hyner / Goss / Patrolman Haines / Oren McKay | 8 Episodes |
| • Dabney Coleman | played | Ira Barker / Allen Clarke / Stanley Leonard / Barnes / Jamison / Ty Williams / Pilot Sam Langlin | 8 Episodes |
| • Michael Harris (2) | played | Technician / Fingerprint Expert / Shoeprint technician / S.A.C. Benton / Special Agent Vega / Unknown | 8 Episodes |
| • Guy Remsen | played | Agent / Special Agent / Special Agent Franklin / S.R.A. Daniel Sublette / Special Agent John Pike | 7 Episodes |
| • Joseph V. Perry | played | Carl Pike / Dominic / William Demmer / Ray Lockhard / Ed Ramser / Stan Jason / Ed Clay | 7 Episodes |
| • Alex Gerry | played | Chairman / John Gottlieb / Aloysius Hale / General / Willis Gaynor / Matthew Bernhardt / Doctor | 7 Episodes |
| • Ken Lynch (1) | played | Sergeant Merrimon / Willis / Joe Taylor / Michael Frost / Peter Dannis / Leonard B. King / Aaron Reese | 7 Episodes |
| • Wayne Rogers (1) | played | Logan Clyde Dupree / Tyler Cray / Jim Wade / Bryan Carlson / Ronald Brimlow / George Peters / Frank Rim | 7 Episodes |
| • Richard Anderson (3) | played | S.A.C. Palmer / Alexander Ramsey / Charles Fillmore / Dr. Latimer / Clifford Banning / Dan Wheaton / Higgins | 7 Episodes |
| • Steve Ihnat | played | Eddie Drake / Howard Rademaker / John Elgin / Carl Beaumont / Frank Dixon Welles / Frank Padgett | 7 Episodes |
| • John Kerr (2) | played | Victor MacGregor / S.A.C. Douglas Parker / SAC William Converse / S.A.C. Gary Morgan / Special Agent | 7 Episodes |
| • Tom Palmer (1) | played | Dr. Lindsay / Gardner / Dr. Barrows / Michael Paree / Mr. Taback / Sogano / John Kramer | 7 Episodes |
| • Lawrence Montaigne | played | Purser / Scientist / Arly Carter / Gary Grove / Eugene Moody / George Fisher / Dick Amazeen | 7 Episodes |
| • Roy Engel | played | George Cobell / Coroner / Spies / Sam Whitman / Eldon Hunter / Paulie Hoff / Unknown | 7 Episodes |
| • Noah Keen | played | Victor Quinlan / Examiner / Customs Inspector / S.R.A. Arnold Kaplan / Nicholas Allen | 7 Episodes |
| • Barry Russo | played | Nightclub Owner / Myron Pierce / Dom / Joe Salka / Dominic Cerelli / Webber / Unknown | 7 Episodes |
| • Logan Field | played | Airline Official / Lawrence Tegg / Lt. Cmdr. Chamblis / S.A.C. Milton Sumner / Attorney / Dr. Farrell / Bert Hammond | 7 Episodes |
| • Robert Drivas | played | Dale Hillman / Paul Clamenti / Junior / Dree Foster / Frank Moonan / Patrick Dano | 7 Episodes |
| • Buck Young | played | Gregory Lucas / Museum Guard / S.A.C. Brockton / Davis / S.A.C. Howard Schaal / S.A.C. Bennett Adams / Peter McGrath | 7 Episodes |
| • Harold Gould (1) | played | David Rice / Arnold Bruzzi / Doctor / George Hale / Vincent Millard / Israel Jacobs / Martin Eldon | 7 Episodes |
| • June Dayton | played | Thelma / Lisa Collins / Margaret McElroy / Betty Grayson | 7 Episodes |
| • Dallas Mitchell | played | S.A.C. Rice / Alden Rice / S.A.C. Vernon Taft / S.A.C. Taft / S.A.C. Cullinan / Special Agent Lawrence / Unknown | 7 Episodes |
| • Frank Baxter | played | F.B.I. Driver / Agent / 3rd Agent / S.A.C. Benton / Special Agent / 2nd FBI Agent | 7 Episodes |
| • Peter Hobbs | played | Giles Berton / Sprague / S.R.A. Wilson / S.A.C. Anthony Harper / S.R.A. Anthony Harper / S.R.A. Andrew Rea | 6 Episodes |
| • Jessica Walter | played | Miss Gibbs / Mirellis / Ellen Rainey / Carla Payne / Gillian Norbury / Eleanor Prior | 6 Episodes |
| • Larry Gates | played | Dr. Lovane / Tom Barrett / Paul Nichols / Matthews / Austin Carr / James Reed | 6 Episodes |
| • Ed Deemer | played | Davis / Operations Officer / Deputy / Second Special Agent / Chauffeur / Policeman | 6 Episodes |
| • Mark Allen (1) | played | Signalman / Barry Ryan / Unknown / Willis / Dock Worker / Guard | 6 Episodes |
| • Fred Holliday (1) | played | Agent Davis / Ted Ross / Mark Kress / Second Agent / S.A.C. Clark / Cambria | 6 Episodes |
| • Charles Knox Robinson (1) | played | Hewitt Pierce / Bartlett / Keith McKay / Frank V. Taylor / Henry Robinson / Troy Harris | 6 Episodes |
| • Robert Hogan | played | Harry Bisk / Lt. Richardson / Lloyd Mitchell / Chuck Borden / Fred Post | 6 Episodes |
| • Don Gordon | played | Claude Flood / Sid Alpert / Tilden / Aaron Taylor / Terry Cober | 6 Episodes |
| • Ellen Corby | played | Mrs. Stone / Mrs. Mary Carmichael / Elizabeth Page / Mrs. Anderson / Hannah Beecher / Aunt Florie Buell | 6 Episodes |
| • Robert Patten | played | George Lyon / Special Agent #1 / F.B.I. Supervisor Al McClure / Second Special Agent / S.A.C. Bennett Adams | 6 Episodes |
| • Tim O'Connor | played | Roy Enfield / Unknown / Albert Dirks / Maynard Gage / Walter Hazlett / Dennis Holland | 6 Episodes |
| • Paul Sorenson | played | Captain Herman / Unknown / Security Chief / Billy Hanson / George Vistain | 6 Episodes |
| • Bob Duggan | played | Sgt. Prothro / Radio Man / Officer / Second Newsman / Newsman / Lab Technician | 6 Episodes |
| • John Considine | played | S.R.A. McHenry / S.A.C. Hal Woodruff / S.R.A. John Dennison North Dakota / S.R.A. Ed Putnam / S.R.A. Boyd Taylor / Agent Dale Grant | 6 Episodes |
| • Simon Scott (1) | played | John Goddard / Colfax / Aaron Kellin / Alexander York / Douglas Barrow / Talbot | 6 Episodes |
| • Robert Duvall | played | Joseph Maurice Walker / Johnny Albin / Ernie Milden / Gerald Wilson / Joseph Troy | 6 Episodes |
| • Bradford Dillman | played | Roger Leroy Mason / George Bellamy / Curtis Breer / Neil Stryker / Lawrence Reynolds | 6 Episodes |
| • Phil Chambers (3) | played | Attendant / Burton / Mr. Guthrie / Amos Reed / Tony Bracken / Dr. Cruz | 6 Episodes |
| • Tim McIntire | played | Lambert Hayes / Dubilier / Jack Hauser / Mal Ogden / Dale Fisher / Shep Buford | 6 Episodes |
| • Robert Doyle (1) | played | Nick Kirby / Joe Young / Jack Owens / Carl Ahern / Max Kerry / Leo Adamson | 6 Episodes |
| • Scott Graham (2) | played | Arthur Claiborne / Allen Forbes / Felix Darrin / Surveillance Agent / S.A.C. Carter / Unknown | 6 Episodes |
| • Hal Riddle | played | Special Agent Faircraft / Technician / Lab Expert / S.A.C. Crail / S.R.A. Blue Lake / 2nd Special Agent | 6 Episodes |
| • Len Wayland | played | Vic Roberts / S.A.C. McLean / S.A.C. Jim Day / Tully Carlson / S.A.C. James Day / R.A. Cameron | 6 Episodes |
| • William Sargent | played | Dr. Spinner / Special Agent Kane or Kline / Paul Lyme / Ken Whitlock / Deputy D.A. Reese / Dr. Millard Kern | 6 Episodes |
| • Burr deBenning | played | Bishop / Dan Stahl / George Barrister / Jack Collins / Jack Dale / Fred Peters | 6 Episodes |
| • Mark Roberts (2) | played | Howard Schaal / S.A.C. Warren Berwick / Ernest Malloy / S.A.C. Murray Davis / S.A.C. Owen Clark / S.R.A. Will Channahon | 6 Episodes |
| • Phil Dean (1) | played | Special Agent Jim Day / S.A.C. Kirby Greene / FBI lab examiner / S.A.C. Jansen / Special Agent Bart Russell | 6 Episodes |
| • Ron Doyle | played | Graham Carter / Special Agent / Special Agent in New York / Agent / Owen Clark / S.R.A. Harmon | 6 Episodes |
| • Craig Guenther | played | Bill Munson / SAC Allen Bennett / First Special Agent / F.B.I. Agent / First Agent / 2nd Special Agent | 6 Episodes |
| • Herb Armstrong | played | Motel Manager / Liquor Store Owner / F.B.I. Lab Examiner / Mr. Miller / Klein | 5 Episodes |
| • Dana Elcar (1) | played | Waverly / Ewing Carter / Ed Garth / Howard Swift / Howard Bergdahl | 5 Episodes |
| • Douglas Henderson | played | S.A.C. Bryan Durant / Thurman / S.A.C. Converse | 5 Episodes |
| • Frank Marth | played | Dunlap / Bozo Trask / Marty Rawl / Preston Archer / Walter Ronald | 5 Episodes |
| • Mary Jackson (1) | played | Mrs. Otto Foshay / Mrs. Howard / Nurse / Mrs. Dreiser / Mrs. Corman | 5 Episodes |
| • James McCallion | played | Harker / Ben / Cy Remick / Kyle Harris / Thornton | 5 Episodes |
| • David Frankham | played | Michael Veltran / Sterling Grant / Victor Dorman / William Howard / George Hammond | 5 Episodes |
| • Arthur Hill | played | Dr. Charles King / Edward Lennan / Max Griswold / Richard Bender | 5 Episodes |
| • Bill Quinn (1) | played | Car Company Official / Cargile / Dorman / Joseph Lightner / Colonel | 5 Episodes |
| • Linden Chiles | played | Lawrence Underwood / Paul Wadsworth / Michael Well / Arnold Toby / Lane Burton | 5 Episodes |
| • William Windom | played | Anton Christopher / David Roger Spiers / Elias Devon / Howard Converse | 5 Episodes |
| • Robert Gibbons (3) | played | Motel Manager / Make-Up Man / Juror / Julius Packer / Hotel Manager | 5 Episodes |
| • Jason Wingreen | played | Bartender / Dentist / the detective / Morgue Attendant / Freddie the barber | 5 Episodes |
| • Barbara Baldavin | played | Mrs. Harron / Receptionist / Nora Selwyn / Nurse Shannon / Stewardess | 5 Episodes |
| • Paul Bryar (1) | played | Otto Breese / Dave Nolan / Garage Owner / Jack Diamond / Ernie Maxwell | 5 Episodes |
| • Allen Emerson | played | Harry Kingsley / Driscoll / Rick Davis / Hill / Phillip Karl Gayna | 5 Episodes |
| • Bill Zuckert | played | General Dean Cameron / Sonny / Guard / Joe Darwin / Frank Poland | 5 Episodes |
| • Lee Meriwether | played | Joanna Laurens / Liz Paquette / Marian Converse | 5 Episodes |
| • John Milford | played | Harry Castle / Ralph Daiker / Unknown / Steve Riley / Greene | 5 Episodes |
| • John van Dreelen | played | Alex Yustov / Karl Schindler / Conrad / Stanley Brown | 5 Episodes |
| • Roger Perry | played | Unknown / Will Sanders / Jim Laner / Jerry Leigh / David Joseph Miles | 5 Episodes |
| • Dana Wynter | played | Barbara Holman / Carol Stanford / Lisa / Sylvia Prince | 5 Episodes |
| • Michael Tolan | played | Unknown / Alan Graves / Neil Kriton / Paul Virdon / Heath | 5 Episodes |
| • Claudia Bryar (1) | played | Mrs. Patterson / Mrs. Lee / Mrs. Ryerson / Hospital Clerk / Sara | 5 Episodes |
| • David Macklin | played | Howdy Collier / Paul Wallace / Bob Griswold / John Evanhauer | 5 Episodes |
| • John Graham (1) | played | Zachary Sage / Judge Clay / Dr. Zachary / Henderson / Julian Scott | 5 Episodes |
| • Charles Bateman | played | Guide #1 / Peter Griffith / R.A. Hagedorn / Dan Scott / Officer Cookham | 5 Episodes |
| • Harlan Warde | played | Commissioner / Dr. Keller / Doctor / Warden / Dr. Partridge | 5 Episodes |
| • Robert Yuro | played | Dave Hunter / Vernon Speer / Gene Fordyce / Victor Berris / Jack | 5 Episodes |
| • Jim Raymond | played | S.A.C. Kirby Greene / Special Agent Kirby Greene / Special Agent Davis Turner / the deputy / Special Agent | 5 Episodes |
| • Louise Latham | played | Mrs. Collier / Ethel Wallace / Barbara Griswold / Edith Bender | 5 Episodes |
| • Pilar Seurat | played | Carolyn Metro / Teresa / Anita Nieves / Maria Montoya / Maria Sandoval | 5 Episodes |
| • John Lasell | played | Captain Reedley / Jerry Stevens / Ed Wells / Owen Singer / Roland | 5 Episodes |
| • Arthur Franz | played | John Caldwell / Neil Parsons / Stacy Merriman / Carl Stokely / Joseph Daly | 5 Episodes |
| • David Brandon | played | S.A.C. Douglas Parker / S.A.C. Lawrence Douglas / First Supervisor / 2nd Bureau Supervisor / 3rd Special Agent | 5 Episodes |
| • Jerry Ayres | played | Todd Rawson / Jimmy Vaughn / John Springer / Mike O'Dell / Charlie Burroughs | 5 Episodes |
| • Gregory Gaye | played | Doriskin / Ferenc Matyin / General / Albert Moehns / Carl Schmidt | 5 Episodes |
| • Danny Sue Nolan | played | Nurse / Receptionist / Marty / Jeanie / the woman hostage | 5 Episodes |
| • Noam Pitlik | played | John Dennison / Wallace / Deputy Joyner / Luther Todd | 4 Episodes |
| • Vince Howard | played | Wayne Newman / Carter Graham / Dr. Adams / Roy | 4 Episodes |
| • John Vernon | played | Unknown / Mike Durgom / David Starret / Mike Burton | 4 Episodes |
| • William Bramley | played | Ray Scott / Steve Drake / Foreman / Howard Spain | 4 Episodes |
| • Carlos Romero | played | Calderon / Special Agent Robert Vega / Captain Ortiz / Bartender | 4 Episodes |
| • James Seay | played | Harry Considine / Printer / Charles Washburn / U.S. Commissioner | 4 Episodes |
| • Paul Fix | played | Willard Oberly / Farrell / Matt / Chester Crawford | 4 Episodes |
| • Peggy McCay | played | Marie Lennan / Mrs. Barrows / Margaret Collins / Helen Lowe | 4 Episodes |
| • Barbara Luna | played | Linda Rodriguez / Barbara Reyes / Dolores / Jennie Fisher | 4 Episodes |
| • Olan Soule | played | Gary Deuel / Cooper / Drug Store Manager | 4 Episodes |
| • Don Keefer | played | Junkman / Claude Norris / Mr. Allison / Dr. J.F. Bissell | 4 Episodes |
| • Kent Smith | played | US Attorney Leonard Vanatter / Elwood Hayes / Commodore Coldwell / Wendell Price | 4 Episodes |
| • Oscar Beregi, Jr. | played | Dr. Dan Wyck / Colonel / Major Tokoli / Martin Abrilev | 4 Episodes |
| • Phyllis Love | played | Phyllis Kenyon / Connie Parr / Tracy Rogers | 4 Episodes |
| • Arch Johnson | played | Arnie Cane / Leo Conway / Sgt. Elliot Carr / Sam Gary | 4 Episodes |
| • John S. Ragin | played | Maury Ashwood / Unknown / Gary Burgess / Harvey Davis | 4 Episodes |
| • Murray Hamilton | played | Michael Kessler / Douglas McElroy / Dick Mills / Emory Hale | 4 Episodes |
| • Anne Helm | played | Gloria Burnett / Amy Springer / Karen Dryden / Dorothy Phillips / Anita Hale | 4 Episodes |
| • Patricia Smith | played | Marilee Walker / Molly Swenson / Isobel Nugent / Mrs. Brown | 4 Episodes |
| • Antoinette Bower | played | Helen Meade / Unknown / Elaine Stryker / Julie Kipp | 4 Episodes |
| • John Lupton | played | S.A.C. Allen Bennett / Thaler / Richard Ghormley | 4 Episodes |
| • Martin Sheen | played | Neil Harland / Steve Chandler / Perry Victor / Norman Gretzler | 4 Episodes |
| • Earl Holliman | played | Robert Charles Porter / Frank / Drake Faron / Walker Carr | 4 Episodes |
| • Ford Rainey | played | Harry Fortier / John Prysock / Burke / Greer | 4 Episodes |
| • Diana Hyland | played | Dr. Maria-Luise Karn / Pat Laner / Joanne Kinston a.k.a. Marie Roska / Virginia Lamberth | 4 Episodes |
| • Marj Dusay | played | Mrs. Higgins / Linda Desmond / Marilyn Wade / Harriet Ziegler | 4 Episodes |
| • Lou Frizzell | played | Unknown / Coach Everett / Cliff Wales / William Terence Porter | 4 Episodes |
| • Susan Davis (1) | played | Ruth / Payroll Clerk / Mrs. Ross / Mrs. Hoyer | 4 Episodes |
| • Paul Mantee | played | Frank Macklin / Vic / Norman Whitehead / Gerald Spain | 4 Episodes |
| • Curt Lowens | played | Pepin / Carl Michael Jordan / Gustaaf Van Ritter / Colonel Fischer | 4 Episodes |
| • Joel Lawrence | played | Coach Stanley / Hill / First Bureau Supervisor / Deputy | 4 Episodes |
| • Michael Strong | played | Jago / Miles Currier / William MacKenzie / Paul Gray | 4 Episodes |
| • Andrew Duggan | played | Chief of Police John Stanford / Lt. Frank Harris / Steven Ramsey / Frank Conner | 4 Episodes |
| • Val Avery | played | Roy Sumner / Carr / Max Horton / Unknown | 4 Episodes |
| • Stephen Coit | played | Wiley / Loomis / Mr. King / Mr. Joseph | 4 Episodes |
| • Michael Baseleon | played | Harper Jay / William Blacklion / Paul Menard / Jack Lutcher | 4 Episodes |
| • Lin McCarthy | played | Owen Clark / Albert Towner / Philip Lowe / John Aldridge | 4 Episodes |
| • S. John Launer | played | Werth / Jury Foreman / Dr. Ober / Warden | 4 Episodes |
| • Nelson Olmsted | played | Sully / Adam Rogers / Dr. Knight / Doctor | 4 Episodes |
| • Pitt Herbert | played | Postal Worker / Auto Salesman / Pharmacist / Lefferts | 4 Episodes |
| • Skip Ward | played | Burt Reese / Lethan Miles / Nick Sorenson / Tony Chandler | 4 Episodes |
| • Daniel J. Travanti | played | Jason Grant / Harry Cando / Billy Jack Lyle / Roy Blake | 4 Episodes |
| • Dan Barton | played | Hewitt Wood / S.R.A. O´Brien / Agent Dawson / Warren Hedrick | 4 Episodes |
| • Frank Jamus | played | S.A.C. Denver / Special Agent Dan Riss / Surveillance Agent / Special Agent Clay Ashland | 4 Episodes |
| • Alfred Ryder | played | Otto Mann / Urban / Kessler / Emmet Stone | 4 Episodes |
| • J. D. Cannon | played | Mark Tabor / Robert Dewey / Cliff Wyant / John Graham Evans | 4 Episodes |
| • David Opatoshu | played | Wilhelm von Fossburg / Edgar Robson / Nolan Crist / Martin Bergstrom | 4 Episodes |
| • Paul Lukather | played | Eddie / Phil / Lee Holm / Jack Allis | 4 Episodes |
| • Brooke Bundy | played | Unknown / Melinda Collier / Barbara Legros / Kim | 4 Episodes |
| • Ross Elliott | played | Carter Graham / S.R.A. Ray Schuyler / Ben McIntyre / Neal Greenwood | 4 Episodes |
| • Jacqueline Scott | played | Karen Mason / June Munger / Patricia / Joan Graves | 4 Episodes |
| • Jay Lanin | played | Lee Nelson / S.A.C. Thornburg / Resident Agent / S.R.A. Page Blanchard | 4 Episodes |
| • Judee Morton | played | Gloria / Anita James / May Dubilier / Shanna Hurley | 4 Episodes |
| • Tom Skerritt | played | Robert Hastings / Bill Leonard / Thorn Hazard / John Clarence Rim | 4 Episodes |
| • Phyllis Hill | played | Doris Brighton / Joan Merriman / Mrs. Legros / Edith Eldon | 4 Episodes |
| • Davey Davison | played | Francine Wilcox / Connie / Carolyn Paul / Beverly Kingman | 4 Episodes |
| • Hal Lynch | played | Ozzie Perch / Davey Osborne / Billy Roy Silker / Alfred Barnes | 4 Episodes |
| • Pepe Callahan | played | Torres / Manager / Pito / Perez | 4 Episodes |
| • John McLiam | played | David Callander / Nettles / Lester Milton / Jess Harland | 4 Episodes |
| • Jonathan Lippe | played | Boy / Victor Banniger / Matty Buckner / Dave Flagg | 4 Episodes |
| • Michael Callan | played | Charlie Hunter / John Prentiss / Harry Springer / Dean | 4 Episodes |
| • Katherine Justice | played | Ellen Conway / Liz Carvellis / Laurel Wyant / Uli Rim | 4 Episodes |
| • William Smithers | played | Victor Kearney / Clay Keller / John DeBecker / Frank Stocker | 4 Episodes |
| • Don Ross (1) | played | Don Ross / Floyd Crane / the security guard / Second Officer | 4 Episodes |
| • Fritz Weaver | played | Steven Colton / Charles Ridgeway / Paul Winters / John Thomas Whiting | 4 Episodes |
| • Lynne Marta | played | Jennie Lee Nelson / Carol Dulac / Sheila Waters / Debbie Marsh | 4 Episodes |
| • Ray Kellogg | played | Guard / Armored Car Driver / Border Patrol Inspector / Policeman | 4 Episodes |
| • Warren Parker | played | Doctor / Hotel Manager / Dr. Haller | 4 Episodes |
| • Bert Kramer | played | Trainee / Special Agent Barry Pike / Agent | 4 Episodes |
| • John Kroger | played | S.A.C. Harper / Agent Ray Camden / Special Agent Monroe / First Agent | 4 Episodes |
| • Geoffrey Deuel | played | Bob Benderson / Eric Stone / Sgt. John Abrams / Unknown | 4 Episodes |
| • Marlowe Jensen | played | Phil Henry / S.R.A. Blackwell / Morrow / Special Agent #2 | 4 Episodes |
| • Wesley Addy | played | US Attorney Cline / Goulding / Carl Torrance / Jock Mitchell | 4 Episodes |
| • Don Eitner | played | Special Agent Bill Converse / S.A.C. Harley Jones / Special Agent Allen Holland | 4 Episodes |
| • Stella Garcia | played | Lupe / Girl in Bar / Estelle / Miss Torres | 4 Episodes |
| • John Yates (1) | played | Unknown / S.A.C. Dan Riss / Second Police Officer | 4 Episodes |
| • Paul Todd | played | S.A.C. Franklin Benton / Special Agent Carter / Surveillance Agent / Special Agent Stanley | 4 Episodes |
| • Cliff McDonald | played | Special Agent Dan Riss / 2nd Special Agent in Louisville / Third Bureau Supervisor / FBI radio operator | 4 Episodes |
| • Billy Dee Williams | played | James Borden / Nate Phelps / Ed Tobin | 3 Episodes |
| • Robert Foxworth | played | Greg Davidson / Toby Thompson / Paul Hale | 3 Episodes |
| • Joseph Campanella | played | Fritz Moline / Ken Meade / John Harris | 3 Episodes |
| • Connie Sawyer | played | LaVerne / Coat Seller / Landlady | 3 Episodes |
| • Richard Roat | played | Marvin Grant / S.A.C. Ed Windsor / 1st Special Agent | 3 Episodes |
| • Walter Burke | played | Cab Driver / Charlie Gallo / Benny Logan | 3 Episodes |
| • Russell Johnson | played | Dr. McGregor / James Kellogg / Phillip Graham | 3 Episodes |
| • Joseph Mell | played | Hollet / Janos / Optometrist | 3 Episodes |
| • Vic Perrin | played | Ray Moberly / Kowalchek / Frankie Denton | 3 Episodes |
| • Virginia Christine | played | Mrs. Ferguson / Lucille Fortier / Eugenia Sayres | 3 Episodes |
| • Walter Reed | played | Jack Zander / Dwight Livingstone / Special Agent Al McClure | 3 Episodes |
| • Booth Colman | played | Martin Davis / Lane Morris / Albert Vogel | 3 Episodes |
| • Valentin de Vargas | played | Henry Silva / Pilot / Special Agent Lane Alamota | 3 Episodes |
| • William Wintersole | played | Special Agent #2 / Herb Kohler / Doctor | 3 Episodes |
| • Lawrence Dane | played | Lorne Staley / Frank Sawyer / Julian Young | 3 Episodes |
| • Ralph Meeker | played | King Hogan / Scott Martin / Graham Newcomb | 3 Episodes |
| • Vivi Janiss | played | Mrs. Gibbons / Mrs. Gould / Annette | 3 Episodes |
| • Parley Baer | played | Jake Mason / Newman / Vernon Daniels | 3 Episodes |
| • Henry Silva | played | Stan Chasen / Lee Chard / Richard Macklin | 3 Episodes |
| • Phyllis Thaxter | played | Vivian Caldwell / Rosemary Ramsey / Valerie Hendricks | 3 Episodes |
| • Russell Thorson | played | Derelict / Andrew Paisley / Wentworth | 3 Episodes |
| • John Zaremba | played | Colonel Novin / Keller / Hackett | 3 Episodes |
| • Michael Rennie | played | Eric Reverson / Albert Robinson / Major John Anka / Conrad Letterman | 3 Episodes |
| • Richard Kiley | played | Frederic Scott / Dr. Herbert Barth / John Streyer | 3 Episodes |
| • Don Dubbins | played | Joel / McKinney / Al Willis | 3 Episodes |
| • Frank Maxwell | played | Captain Coleman / MacDonald / Wendell Bricker | 3 Episodes |
| • Bettye Ackerman | played | Mary Binyon / Mrs. Kurland / Annette Jurgens | 3 Episodes |
| • Suzanne Pleshette | played | Marya Pazmany / Temple Alexander / Marie Zimmerman | 3 Episodes |
| • R. G. Armstrong | played | Sheriff Crowley / Ed Cray / George David Owens | 3 Episodes |
| • Michael Burns (1) | played | Jacob MacDonald / Mike Keller / Holt Campbell / Harley Garnett | 3 Episodes |
| • Patricia Donahue | played | Esther Durbin / Vera Beckley / Arlene Cutler | 3 Episodes |
| • Jack Ging | played | Selwyn / Keene / James Cober | 3 Episodes |
| • Edward Asner | played | John Carl Brock / Pete Zacharias / Walter Gretzler | 3 Episodes |
| • Paul Comi | played | Special Agent Howard Schaal / S.A.C. Harper / Unknown | 3 Episodes |
| • Janet MacLachlan | played | Maid / Nancy / Roberta Kern | 3 Episodes |
| • Susan Strasberg | played | Chris Roland / Jennie Hall | 3 Episodes |
| • Monte Markham | played | James Devlin / Arthur McBride / Tom Waters | 3 Episodes |
| • Alejandro Rey | played | Joe Cloud / Carlos Avila / Miguel Torres | 3 Episodes |
| • Walter Mathews (1) | played | Handler #2 / Michael James Nelson / Lawyer | 3 Episodes |
| • Ted Gehring | played | Ed Sheldon / Roy Joe Spencer / Atley Spancer | 3 Episodes |
| • Milton Selzer | played | Miller / Mr. Ragatzy / Jordan James Alexander | 3 Episodes |
| • Kevin McCarthy (1) | played | Lamont / Paul Dorn / Jim Evans | 3 Episodes |
| • Richard Bull | played | Ralph Kurland / Hoyer / Monroe | 3 Episodes |
| • Ron Husmann (1) | played | Ellis Harmon / S.A.C. Blanchard / Officer | 3 Episodes |
| • Nancy Jeris | played | Nurse / First Newsman / Bank Teller | 3 Episodes |
| • Andrew Prine | played | Beau Parker / Irwin Lynch / Spancer Lang | 3 Episodes |
| • Allyn Ann McLerie | played | Helen Porter / Dorothy / Marie Vale | 3 Episodes |
| • Victor French | played | Riles / Vincent Tobias / Lloyd Smith | 3 Episodes |
| • Robert Cornthwaite | played | Dr. Woolsey / Creighton Atwood / Fielder | 3 Episodes |
| • Peg Shirley | played | Margaret / Matron / Madeleine Cerelli | 3 Episodes |
| • Joe Di Reda (1) | played | Logan / Unknown / Post | 3 Episodes |
| • Lynda Day George | played | Mindy Platt / Maria / Joyce Carr | 3 Episodes |
| • Nan Martin | played | Marie / Eleanor Garnett / Susan Bell | 3 Episodes |
| • Joe E. Tata | played | Elliott / Al Naylor / Barney Leeds | 3 Episodes |
| • Charlotte Stewart | played | Cheryl Stanford / Helen Sims / Ginny Hazlett | 3 Episodes |
| • Barry Atwater | played | Andrei Vallone / Graham King / Hugh Zimmerman | 3 Episodes |
| • Norman Fell | played | Ted Cullinan / Victor Green / Ken Haney | 3 Episodes |
| • Joanna Moore (1) | played | June Elliott / Angela Reese / Paula Gilbert | 3 Episodes |
| • Nellie Burt | played | Miss Lawrence / Mrs Mae Copeland / Mrs. Starret | 3 Episodes |
| • Edward Andrews | played | Ray Lang / Frank Merrick / Vic Russell | 3 Episodes |
| • Paul Lukas | played | Ambassador Korvin / Anton Dieter | 3 Episodes |
| • Connie Gilchrist | played | Amy / Jessie / Manager | 3 Episodes |
| • Virginia Vincent | played | Miriam Abbott / Mrs. Rademaker / Mrs. Wyatt | 3 Episodes |
| • Louis Jourdan | played | Andre Vesalian / Henry Dulac / Colonel Lorenz Tabor | 3 Episodes |
| • Diane Baker | played | Elyse Colton / Anne Fraser / Lisa Cintron | 3 Episodes |
| • Gene Lyons | played | Ludwig / Unknown / Phil Garrett | 3 Episodes |
| • Peter Coe | played | Resko / Gerd Esling | 3 Episodes |
| • Julie Sommars | played | Betty Caldwell / Elizabeth Janson / Janet Sinclair | 3 Episodes |
| • Richard Devon (1) | played | Earl Davis / Frank Di Mirjian / Barney Kennon | 3 Episodes |
| • Fred Beir (1) | played | Jack Mattis / Scott Rogers / Frank Lanner | 3 Episodes |
| • Albert Salmi | played | Eddie Richards / Clifton Taggot / Roy Mills a.k.a. John Michaels | 3 Episodes |
| • John McIntire (1) | played | Max Wood / Tom Rule / Michael 'Doc' Lacy | 3 Episodes |
| • Kelly Thordsen | played | Oldham / Douglas Atkins / Dick Owens | 3 Episodes |
| • Bill Hickman | played | State Trooper / Jake / Peter Griffith | 3 Episodes |
| • Richard Evans | played | Unknown / Collier M. Sampson / James Tate | 3 Episodes |
| • Lyn Edgington | played | Carol Barrington / Priscilla / Jane Walden | 3 Episodes |
| • Robert F. Lyons (3) | played | John Brackney / Lon Owens / Ronald Loper | 3 Episodes |
| • Jerry Douglas | played | Agent Munger / Rex Lynn / S.A.C. Jim Russell | 3 Episodes |
| • Carl Reindel | played | Roy Carey / Gene Black / Bobby Hendricks | 3 Episodes |
| • James Olson | played | Unknown / George Breen / Sheriff William Temple | 3 Episodes |
| • Fletcher Allen | played | Electronics Man / Lab Examiner / Special Agent | 3 Episodes |
| • Stuart Whitman | played | Unknown / Damian Howards / Wesley Ziegler | 3 Episodes |
| • John Haymes Newton | played | Forrest Blackwell / Brian Kemp / George Bryan | 3 Episodes |
| • Ron Pinkard | played | Surveillance Agent / Lab Technician / Special Agent Morgan | 3 Episodes |
| • Penny Fuller | played | Della Marot / Jean Scott / Muriel Selby | 3 Episodes |
| • Jack Betts | played | Defense Attorney Barker / Woods / Allen Cole | 3 Episodes |
| • Gerald S. O'Loughlin | played | Carl Munger / Larry Kulhane / Vic Kiley | 3 Episodes |
| • Maxine Stuart | played | Mrs. Gennaro / Mrs. Stone / Mrs. Peabody | 3 Episodes |
| • Joan Van Ark | played | Unknown / Julie Rhodes / Cindy Scott | 3 Episodes |
| • Ron Brown (1) | played | Special Agent / Jim Baker / Surveillance Agent | 3 Episodes |
| • Donald Harron | played | Paul Lawrence / George Damien / Edward Boland | 3 Episodes |
| • Jim McKrell | played | R.A. Robertson / Edward Carter / S.A.C. Greene | 3 Episodes |
| • Jesse Vint | played | Unknown / George Shawn / Johnny Nesbitt | 3 Episodes |
| • Paul Hahn | played | Transmitting Agent / Customs Inspector / Security Guard | 3 Episodes |
| • Tom Stewart (1) | played | 3rd Special Agent / Agent O´Neill / Agent Carpenter | 3 Episodes |
| • Norma Connolly | played | Woman / Aline Spencer / Mrs. Oliver | 3 Episodes |
| • Pat Patterson | played | Park Security Guard / Gilman / Drunk | 3 Episodes |
| • Marlyn Mason | played | Patricia Drake / Darcie Hill / Julie DeWitt Shanks | 3 Episodes |
| • Rodolfo Hoyos, Jr. | played | Ray Avila / Martinez / Anselmo Morales | 3 Episodes |
| • Charles Korvin | played | Captain Istvan Novak / Paul Stoner / Paul Sieger | 3 Episodes |
| • Richard Merrifield | played | Sergeant / F.B.I. Agent / S.R.A. Jaco | 3 Episodes |
| • Ross Hagen | played | Harold D. Boggs / Joseph Schaffler / Walling | 3 Episodes |
| • Bard Stevens | played | Chris / Guard / Serviceman | 3 Episodes |
| • Matt Pelto | played | Explosives Man / Morey / Ed Creely | 3 Episodes |
| • Marian Thompson | played | Pamela Hughes / Marjorie Shelton / Sarah | 3 Episodes |
| • Jonathan Hawke (1) | played | Webb Andrews / Russell Clay / Businessman | 3 Episodes |
| • Marianne McAndrew | played | Marian Ghormley / Marian Breer | 3 Episodes |
| • Solomon Sturges | played | Zach Parker / Timothy Gage / Bobby Fleming | 3 Episodes |
| • Wadsworth Taylor | played | Doctor / Surgeon / Government Official | 3 Episodes |
| • George Voskovec | played | Dr. Gregory Holman / George Havelik | 3 Episodes |
| • Charles J. Stewart | played | Marcus / Noel Phillips / Reporter | 3 Episodes |
| • Leonard Stone | played | Harry Palmer | 2 Episodes |
| • Leslie Nielsen | played | Craig Fletcher / Hudson | 2 Episodes |
| • Robert Hooks | played | Wilcox / Steve Harber | 2 Episodes |
| • Charles Lampkin | played | Hargroves / the broker | 2 Episodes |
| • Robert Pine | played | Vaughn Teller / Doug Waters | 2 Episodes |
| • Paul Picerni | played | Fred Cochella / Joey Walters | 2 Episodes |
| • Belinda Montgomery | played | Margo Bengston / Wendy Rankin | 2 Episodes |
| • John Anderson (1) | played | Adam MacDonald / Bollin | 2 Episodes |
| • Robert Emhardt | played | Cyril Boyer | 2 Episodes |
| • L. Q. Jones (1) | played | Wesley Davis / Al Tanner | 2 Episodes |
| • Dina Merrill | played | Jean Davis / Christine Minton | 2 Episodes |
| • Reni Santoni | played | Harry Scheller / Eddie Locke | 2 Episodes |
| • Vincent Beck | played | Fisher / Frank Brokaw | 2 Episodes |
| • Bill Williams (4) | played | Crawford / David Warren | 2 Episodes |
| • Larry Linville | played | George Franciscus / George Tremont | 2 Episodes |
| • Peter Brocco | played | Grocer / Allison | 2 Episodes |
| • William Boyett | played | Guide #2 / Bill | 2 Episodes |
| • Maurice Marsac (1) | played | Frank Dalcour / Perriere | 2 Episodes |
| • Rhys Williams (1) | played | Mr. Ferguson / Dean Sutherland | 2 Episodes |
| • Jason Johnson | played | Clerk / Choirmaster | 2 Episodes |
| • Wayne Heffley | played | The Captain / Unknown | 2 Episodes |
| • Clu Gulager | played | Lyle Chernik | 2 Episodes |
| • Ivan Bonar | played | Osborne / Ames | 2 Episodes |
| • Robert P. Lieb | played | Henry Steelbridge / Coffee Shop Manager | 2 Episodes |
| • Bill Erwin | played | Paxton / Manager | 2 Episodes |
| • Johnny Silver | played | Cab Driver / News Vendor | 2 Episodes |
| • Claude Akins | played | Ben Gambriella / Jason Peale | 2 Episodes |
| • Norma Crane | played | Dottie / Lorraine | 2 Episodes |
| • Lillian Bronson | played | Librarian / Mrs. Guthrie | 2 Episodes |
| • Mark Dana | played | Unknown / Jud Hobey | 2 Episodes |
| • Edward Binns | played | Barney Simms / Bill Hollis | 2 Episodes |
| • Harry Bellaver | played | Sam Fuller / George Trenton | 2 Episodes |
| • Carl Betz | played | Martin Ashton / Gar Shelton | 2 Episodes |
| • Doreen Lang | played | Writer / Alice Carlin | 2 Episodes |
| • Joanne Linville | played | Dorene Hanes / Ruth Banning | 2 Episodes |
| • Murray Matheson | played | Henry Dodd / Murray Elders | 2 Episodes |
| • Joe Maross | played | Jess Murtaugh / Commander Philip Payne | 2 Episodes |
| • Celia Lovsky | played | Mrs. Karoli / Mama van Groot | 2 Episodes |
| • Tyler McVey | played | General Goddard Chase / Judge | 2 Episodes |
| • Collin Wilcox | played | Stella / Hanna Crandall | 2 Episodes |
| • George Keymas | played | Servianka / William Judson | 2 Episodes |
| • Larry Ward | played | Cmdr. Frank Wilson / State Trooper Sergeant | 2 Episodes |
| • Will Kuluva | played | Mark Vincent / Mr. Kolner | 2 Episodes |
| • Ted Knight | played | Doc Ventura / Security Guard | 2 Episodes |
| • Royal Dano | played | Jess Buford / Newman | 2 Episodes |
| • James Franciscus | played | Charles Burnett / Mitchell Flynn | 2 Episodes |
| • Bert Remsen | played | Spectrographic Examiner / Control Tower Supervisor | 2 Episodes |
| • Richard Jaeckel | played | Devlin / Sgt. Sam Ryker | 2 Episodes |
| • Shirley O'Hara | played | Mrs. Miller / Nurse Swenson | 2 Episodes |
| • Alf Kjellin | played | Buchanan / Stone / Karl Reiman | 2 Episodes |
| • Crahan Denton | played | Wayne Powell, Sr. / Vincent "Doc" LeFavre | 2 Episodes |
| • Frances Reid | played | Mrs. Prior / Ellen Porter | 2 Episodes |
| • William Schallert | played | Ed Crawford / Gans | 2 Episodes |
| • John Larch | played | Fred Wallace / Jules Harmon | 2 Episodes |
| • Robert Loggia | played | Phillip Derrane / Alex Poland | 2 Episodes |
| • Frank DeKova | played | Dracus / Faber | 2 Episodes |
| • Andy Romano | played | Dr. Malotte / Chico Jordan | 2 Episodes |
| • Sarah Marshall | played | Maria Underwood / Belle Stone | 2 Episodes |
| • Burt Reynolds | played | Mike Murtaugh / John DuQuesne | 2 Episodes |
| • Peter Haskell | played | Selkirk / Eliot Fielding | 2 Episodes |
| • Jack Bender | played | Joe / Robert Loper | 2 Episodes |
| • Pete Duel | played | Wayne Everett Powell / Mike | 2 Episodes |
| • Diana Muldaur | played | Joan Forrestal / Irene Davis / Devers | 2 Episodes |
| • Ken Scott | played | Mike / Unknown | 2 Episodes |
| • Susan Oliver (1) | played | Shirley Gregg / Margaret | 2 Episodes |
| • Med Flory | played | Ranger / Forest Ranger | 2 Episodes |
| • Harry Lauter | played | Judd Connors / Sheriff | 2 Episodes |
| • Patrick O'Neal | played | Victor Allen / Howard Raymond | 2 Episodes |
| • Linda Marsh | played | Elaine Talbot / Peggy Breen | 2 Episodes |
| • Glenn Corbett | played | Cliff Holm / Stan Mabry | 2 Episodes |
| • Michael Conrad | played | Paul Hogan / Danvers | 2 Episodes |
| • Frank Converse | played | Gregson / Paul Talbot | 2 Episodes |
| • Ed Nelson | played | Hamilton / Walter Swenson | 2 Episodes |
| • Darleen Carr | played | Mary Jane Owens / Emily Willis | 2 Episodes |
| • Vic Tayback | played | Neil Parks / Ed Larch | 2 Episodes |
| • Don Chastain | played | Intern / Norman C. Reese | 2 Episodes |
| • Frank Aletter | played | Warren Michaels / Unknown | 2 Episodes |
| • Ian Wolfe | played | Elder Stone / Marshall Graham | 2 Episodes |
| • Frank Campanella | played | Al Delgado / Ned Raven | 2 Episodes |
| • John Carter (1) | played | Porter / Inspector Bonner | 2 Episodes |
| • James Frawley | played | Kessler | 2 Episodes |
| • Eric Christmas (1) | played | Ted Shayon / Tanker | 2 Episodes |
| • Tim Herbert | played | Lerner / Ernie Maitland | 2 Episodes |
| • Barbara Billingsley | played | Joan Connor / Mrs. Rankin | 2 Episodes |
| • Roberto Contreras | played | Taxi Driver / Munoz | 2 Episodes |
| • Keye Luke | played | General How / Captain Chieu | 2 Episodes |
| • Victor Millan | played | Lt. Munoz / Unknown | 2 Episodes |
| • Clint Howard | played | Alan Ellwood / Josh Cobb | 2 Episodes |
| • Don Stroud | played | Bud Munsey / Walker Oborn | 2 Episodes |
| • Lois Nettleton | played | Catherine Fossburg / Elizabeth Colling | 2 Episodes |
| • Byron Morrow | played | Captain / Dr. Miller | 2 Episodes |
| • Ned Romero | played | Jose Orledo / Alarcon | 2 Episodes |
| • Ahna Capri (1) | played | Sarah Holmquist / Betty Kendall | 2 Episodes |
| • Garry Walberg | played | Forbes / Sam Colton | 2 Episodes |
| • Jason Evers | played | Allen Bennett / Captain Thomas | 2 Episodes |
| • Martin Kosleck | played | Janos Dobrenko / Paul Bohler | 2 Episodes |
| • Eric Braeden | played | Becker / Nicholas Blok | 2 Episodes |
| • Roy Poole | played | Frank Williams / Curtis Stone | 2 Episodes |
| • Vic Morrow | played | John Stahl / Porter Bent | 2 Episodes |
| • Robert Blake (3) | played | Pete Cloud / Junior | 2 Episodes |
| • Mario Roccuzzo | played | Dominic / Unknown | 2 Episodes |
| • Jan Merlin | played | Colfax / Frank Wanderman | 2 Episodes |
| • John Sylvester-White | played | Lee Thompson / Vince Stanton | 2 Episodes |
| • Nicholas Colasanto | played | Billy Milton / Jumisino | 2 Episodes |
| • Scott Walker (1) | played | Prager / Hank Yorkin | 2 Episodes |
| • David Sheiner | played | Paul Antonelli / Emil Justin | 2 Episodes |
| • Richard Eastham | played | Clayton McGregor / Special Agent Howard Armstrong | 2 Episodes |
| • Ellen Weston | played | Barbara Mercer / Ruth Miles | 2 Episodes |
| • Jennifer Billingsley | played | Mavis Barrett / Wanda Moore | 2 Episodes |
| • Julie Gregg | played | Sandra | 2 Episodes |
| • Byron Keith | played | S.A.C. Lee Brownell / Detective | 2 Episodes |
| • Robert Phillips (1) | played | Sergeant Matthews / Jack | 2 Episodes |
| • Nancy Kovack | played | Miss Kagle / Ava Ritter | 2 Episodes |
| • Al Checco | played | Ciner Manager / Weldon Rogers | 2 Episodes |
| • Tol Avery | played | Dr. Louis Naples / Lloyd Talbot | 2 Episodes |
| • Norman Alden | played | Worth / Norman Frome | 2 Episodes |
| • Meg Wyllie | played | Arna Rule / Mrs. Blaik | 2 Episodes |
| • James Gammon | played | Cauldwell / Ben McCann | 2 Episodes |
| • Jon Cypher | played | Belson | 2 Episodes |
| • Ed Gilbert (1) | played | Latham / Stan Mills | 2 Episodes |
| • Donna Mills | played | Bernice Rawson / Mary Anne Collins | 2 Episodes |
| • Brett Somers | played | Amelia Gates / Mary | 2 Episodes |
| • Edward Mulhare | played | Major Damian Sava / Otto Strasser | 2 Episodes |
| • James Luisi | played | Little Julio / Sam Kehoe | 2 Episodes |
| • Julie Parrish | played | Eileen / Marjorie Young | 2 Episodes |
| • C. Lindsay Workman | played | Ray Straub / J.R. Swinton | 2 Episodes |
| • Pat O'Hara | played | Mr. Addison / Salesman | 2 Episodes |
| • Nora Marlowe | played | Unknown / Miss Ashley | 2 Episodes |
| • Lou Antonio (1) | played | Parrish / Arlen Parent | 2 Episodes |
| • June Vincent | played | Harriet Fitzgerald / Evelyn Harcourt | 2 Episodes |
| • Morgan Jones (1) | played | S.A.C. Frank Benton / Alex Schirmer | 2 Episodes |
| • Barbara Dodd | played | Receptionist / Nurse | 2 Episodes |
| • Duncan McLeod | played | Doctor / Colson | 2 Episodes |
| • Malcolm Atterbury | played | Howard Shelly / (Fritz Shroeder | 2 Episodes |
| • Sam Edwards | played | Unknown / Jerry | 2 Episodes |
| • Anne Francis | played | Tish / Shelly Brimlow | 2 Episodes |
| • Anthony Hayes | played | Special Agent Douglas Mercer / S.A.C. Warren Sloan | 2 Episodes |
| • Than Wyenn | played | Ernesto Salazar / Billy Deveraux | 2 Episodes |
| • Anna Lee | played | Susan Harper / Unknown | 2 Episodes |
| • Eduard Franz | played | Dr. Keeler / Rudolph Klar | 2 Episodes |
| • Joseph Wiseman | played | Gilford / Big Julio Lacone | 2 Episodes |
| • Harry Hickox (1) | played | Conductor / Jamieson | 2 Episodes |
| • Jack Klugman | played | Charles Gates / Victor Amazeen | 2 Episodes |
| • James Daly (1) | played | Stephen Fitzgerald / Dave Butler | 2 Episodes |
| • Ralph Bellamy | played | Captain Jennerson / Mark Dryden | 2 Episodes |
| • Telly Savalas | played | Ed Clementi | 2 Episodes |
| • Anthony Caruso | played | Larry Bender / Chief Philip Crow | 2 Episodes |
| • Robert Brubaker | played | Harry Meade / Fred Collins | 2 Episodes |
| • Ed Prentiss | played | Judge / Mitchell Owen | 2 Episodes |
| • Carl Benton Reid | played | Claude Townsend | 2 Episodes |
| • Rayford Barnes | played | Gunman / Billy | 2 Episodes |
| • Mario Alcalde | played | Luis Nieves / S.A.C. Henry Galva | 2 Episodes |
| • Florence Sundstrom | played | Landlady | 2 Episodes |
| • Lincoln Demyan | played | Marshall / Captain Thomas | 2 Episodes |
| • Susan Seaforth Hayes | played | Bebe / Miss Hayes | 2 Episodes |
| • Michael Witney | played | Eddie Floyd / Wally Shanks | 2 Episodes |
| • Janis Hansen | played | Andrea Gray / Emily Foxx | 2 Episodes |
| • Tom Lowell | played | Tom Enfield / Tice | 2 Episodes |
| • Jan Shepard | played | Mildred Scott / Unknown | 2 Episodes |
| • Anthony Costello | played | Lee Payne / Billy Blaik | 2 Episodes |
| • Nelson Leigh (1) | played | Judge Harold Leverette / Judge | 2 Episodes |
| • John Ericson | played | Craig Walden / Sgt. Devlin | 2 Episodes |
| • Steven Marlo (1) | played | Vance / Gilroy | 2 Episodes |
| • Bruce Dern | played | Byron Landy / Virgil Roy Phipps | 2 Episodes |
| • Francis DeSales | played | Hewlett / Dr. Layton | 2 Episodes |
| • Melissa Murphy (1) | played | Cass Linden / Sandra Davis | 2 Episodes |
| • Dean Stockwell | played | Darryl Ryder / Mike Riley | 2 Episodes |
| • Sandra Smith | played | Rose / Peggy Grant | 2 Episodes |
| • Mariette Hartley | played | Doe Riley / Jessica Bowling | 2 Episodes |
| • Charles Cioffi | played | Vic / Verne Dupre | 2 Episodes |
| • Harry Basch | played | Albertson / Hotel Manager | 2 Episodes |
| • Karen Carlson | played | Dana Evans / Decoy | 2 Episodes |
| • Hari Rhodes | played | Ormond / Ginger Dodds | 2 Episodes |
| • Walter Pidgeon | played | Leo Roland | 2 Episodes |
| • John P. Ryan | played | William Quine / Ernie Flood | 2 Episodes |
| • Meg Foster | played | Unknown / Marcy Brandon | 2 Episodes |
| • Wright King | played | Scott Boles / SAC Parker | 2 Episodes |
| • Donald May | played | Frederick Brown / Unknown | 2 Episodes |
| • Christopher Stone (1) | played | Alex VanHuesen / Dave Palmer | 2 Episodes |
| • George D. Wallace (1) | played | Graham Lockwood / George Ayres | 2 Episodes |
| • Dan Frazer | played | Carter Fox / Reporter | 2 Episodes |
| • Martin E. Brooks | played | Richard Larken / Bobby DeVries | 2 Episodes |
| • Eugene Peterson | played | Unknown / Stacy Bannister | 2 Episodes |
| • Celeste Holm | played | Flo Clementi | 2 Episodes |
| • Lynette Mettey | played | Donna / Marian | 2 Episodes |
| • James Lydon | played | Mr. Church / Joey Witner | 2 Episodes |
| • Corinne Conley | played | Miss T. / Dody Cross | 2 Episodes |
| • Craig Hill | played | Daniel Sublette / Warner Brown | 2 Episodes |
| • Jeffrey Hunter | played | Francis Jerome / Ralph Stuart | 2 Episodes |
| • Robert Osterloh | played | Maconne / Harberg | 2 Episodes |
| • Kaz Garas | played | Del Keller / Jack Hill | 2 Episodes |
| • David Hedison | played | Scott Jordan / Lou Forrester | 2 Episodes |
| • Ric Mancini (1) | played | Hank Lasko / Warehouse Manager | 2 Episodes |
| • Peter Brandon | played | Karl Elman / Mark Leffert | 2 Episodes |
| • Jeff Donnell | played | Mrs. Craft / Rooming House Manager | 2 Episodes |
| • Edward Colmans (1) | played | Counselor / High Commissioner | 2 Episodes |
| • Jerome Guardino | played | Joe Flores / First Gunman | 2 Episodes |
| • Delphi Lawrence | played | Jana Dieter / Louise Freed | 2 Episodes |
| • William Swan | played | Philip Creighton / Glen Powell | 2 Episodes |
| • Ron Stokes | played | Lt. Craig / Special Agent Stevens | 2 Episodes |
| • Rudy Solari | played | George Armer / Matthew Cober | 2 Episodes |
| • William Reynolds (3) | played | Franklin Benton / S.A.C. Kendall Lisbon | 2 Episodes |
| • Cicely Tyson | played | Elaine Harber / Judy Harmon | 2 Episodes |
| • Jo Ann Harris Nelson (1) | played | Unknown / Mary Ann Linden | 2 Episodes |
| • Nancy Wickwire | played | Annemarie McNider / Eve Shelton | 2 Episodes |
| • Harrison Ford | played | Everett Giles / Glen Reeverson | 2 Episodes |
| • James T. Callahan (1) | played | Richard Lenk / Richard Shaefer | 2 Episodes |
| • Greg Mullavy | played | Special Agent #3 / Special Agent #2 | 2 Episodes |
| • Robert Boon | played | Junior Officer / Driver | 2 Episodes |
| • Josephine Hutchinson | played | Anna Wandermere / Libby Jackson | 2 Episodes |
| • Milt Kamen | played | Unknown / Jennings | 2 Episodes |
| • Deana Martin | played | Debbie Breer | 2 Episodes |
| • Lauren Gilbert | played | Mrs. Bowen / Babcock | 2 Episodes |
| • Kirk Scott | played | Special Agent Mabry / Agent Cobb | 2 Episodes |
| • William Stevens (6) | played | Hart / Francis Jessup | 2 Episodes |
| • Royce Wallace | played | Wardrobe Lady / the landlady | 2 Episodes |
| • Booker Bradshaw | played | Special Agent Harry Dane | 2 Episodes |
| • Karl Held | played | Second Special Agent / Johnny Canute | 2 Episodes |
| • Mimsy Farmer | played | Jody Conners / Sue Wallace | 2 Episodes |
| • Peter Hansen (1) | played | Lee Haynes / George Conners | 2 Episodes |
| • Garth Pillsbury | played | Dale Hamilton / Helicopter Observer | 2 Episodes |
| • Carlos Montalban | played | General Romero / Unknown | 2 Episodes |
| • Victoria Shaw | played | Elaine Ross / Eileen Warren | 2 Episodes |
| • Susannah Darrow | played | Laura Singer / Barbara Simms | 2 Episodes |
| • Craig Huebing | played | Doctor / Unknown | 2 Episodes |
| • Mark Jenkins | played | Alan Hiller / Beau Manley | 2 Episodes |
| • Bill Vint | played | Eddie Talbert / Second Militant | 2 Episodes |
| • Armando Silvestre | played | Carlos Lara / Miguel Valdez | 2 Episodes |
| • Ben Young (2) | played | Atkins / Doctor | 2 Episodes |
| • Gary Clarke (1) | played | Unknown | 2 Episodes |
| • Bob Kline (2) | played | Firearms Examiner / Special Agent Kilbourne | 2 Episodes |
| • Victor Holchak | played | Bibbs / Chet Hanzer | 2 Episodes |
| • Robert Walker, Jr. (2) | played | Willard Smith / Paul Donald Thorpe | 2 Episodes |
| • Charles McDaniel (1) | played | Serology Technician | 2 Episodes |
| • Robert Palmer (2) | played | Aaron Miller / Craig Waters | 2 Episodes |
| • Joan Hotchkis | played | Nancy / Dr. Anne Bowden | 2 Episodes |
| • Wayne Maunder | played | Earl Gainey / Knox Hiller | 2 Episodes |
| • Pat Cardi | played | Billy Gates / Jack Brown | 2 Episodes |
| • Rose Hobart | played | Molly Ferguson / Maid | 2 Episodes |
| • Martin Braddock | played | Special Agent Jack Dent / Fred | 2 Episodes |
| • Glenn Sipes | played | Burke / S.R.A.Johnson | 2 Episodes |
| • Austin Willis | played | Warden Mark James / Stuart | 2 Episodes |
| • Nola Thorp | played | Nancy Burgess / Switchboard Operator | 2 Episodes |
| • San Christopher | played | Woman Attendant / Mrs. Walden | 2 Episodes |
| • Charles Randall | played | Grindler / William Needles | 2 Episodes |
| • Jon White | played | Defensive Back / Larry O. | 2 Episodes |
| • Don Spruance | played | Victor Teller / Guerneville Agent | 2 Episodes |
| • Jerry Taft | played | Manager / Executive | 2 Episodes |
| • Laura Lacey | played | Sally Gaynor | 2 Episodes |
| • Lane Bradbury | played | Laura Ann Millpark / Meda Jo Phipps | 2 Episodes |
| • Ed Hall (3) | played | Bill Wemsley / Pharmacist | 2 Episodes |
| • Charles Macaulay | played | Lang / Jeweller | 2 Episodes |
| • Don Epperson | played | Sipermarket Manager / Supermarket Manager | 2 Episodes |
| • Matthew Knox | played | 1st Special Agent in Louisville / Second Bureau Supervisor | 2 Episodes |
| • Rhill Rhaden | played | Sutter / Kirby Jarret | 2 Episodes |
| • Glenn Bradley | played | 1st FBI Agent / Special Agent #1 | 2 Episodes |
| • Aubri Martin | played | Dispatcher | 2 Episodes |
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