| Person: | Characters | Episodes | |
| • David Berman | played | 126 Episodes | |
| • Archie Kao | played | 88 Episodes | |
| • Larry Mitchell (1) | played | 78 Episodes | |
| • Wallace Langham | played | 67 Episodes | |
| • Jon Wellner | played | 58 Episodes | |
| • Marc Vann | played | 51 Episodes | |
| • Alex Carter | played | 39 Episodes | |
| • Sheeri Rappaport | played | 38 Episodes | |
| • Liz Vassey | played | 35 Episodes | |
| • Gerald McCullouch | played | 34 Episodes | |
| • Joseph Patrick Kelly (1) | played | 34 Episodes | |
| • Larry Sullivan | played | 33 Episodes | |
| • Louise Lombard | played | 29 Episodes | |
| • Skip O'Brien | played | 24 Episodes | |
| • Jorja Fox | played | 22 Episodes | |
| • Paula Francis (1) | played | 21 Episodes | |
| • Geoffrey Rivas | played | 20 Episodes | |
| • Palmer Davis | played | 15 Episodes | |
| • Conor O'Farrell | played | 13 Episodes | |
| • Terry Bozeman | played | 13 Episodes | |
| • Romy Rosemont | played | 13 Episodes | |
| • Aisha Tyler | played | 12 Episodes | |
| • Jose Zuniga | played | 11 Episodes | |
| • Eric Stonestreet | played | 11 Episodes | |
| • Victoria Prescott | played | 11 Episodes | |
| • Bill Irwin (3) | played | 9 Episodes | |
| • Madison McReynolds | played | 9 Episodes | |
| • Jeffrey D. Sams | played | 9 Episodes | |
| • Scott Wilson | played | 9 Episodes | |
| • Glenn Morshower | played | 7 Episodes | |
| • Erik Jensen | played | 7 Episodes | |
| • Vincent Duvall | played | 7 Episodes | |
| • Christopher Wiehl | played | 7 Episodes | |
| • Jeffrey D. Stevens | played | 7 Episodes | |
| • Judith Scott | played | 6 Episodes | |
| • Kay Panabaker | played | 6 Episodes | |
| • Wayne Wilderson | played | 6 Episodes | |
| • Michael Bryan French | played | 6 Episodes | |
| • Melinda Clarke | played | 6 Episodes | |
| • Xander Berkeley | played | 5 Episodes | |
| • Ty Upshaw | played | 5 Episodes | |
| • Meta Golding | played | 5 Episodes | |
| • Pamela Gidley | played | 5 Episodes | |
| • Barbara Eve Harris | played | 5 Episodes | |
| • Maureen Muldoon | played | 5 Episodes | |
| • Shelli Bergh | played | 5 Episodes | |
| • Edmund Wyson | played | 5 Episodes | |
| • Alimi Ballard | played | 5 Episodes | |
| • Enrique Murciano | played | 5 Episodes | |
| • Jessica Lucas | played | 4 Episodes | |
| • Meredith Scott Lynn | played | 4 Episodes | |
| • William Allen Young (3) | played | 4 Episodes | |
| • Timothy Carhart | played | 4 Episodes | |
| • Tangie Ambrose | played | 4 Episodes | |
| • Rick Worthy | played | 4 Episodes | |
| • Tony Amendola | played | 4 Episodes | |
| • Greg Collins (1) | played | 4 Episodes | |
| • Raymond J. Barry | played | 4 Episodes | |
| • Kelly Connell | played | 4 Episodes | |
| • Anita Gillette | played | 4 Episodes | |
| • Nicholas Lea | played | 4 Episodes | |
| • James Patrick Stuart | played | 4 Episodes | |
| • Tom Gallop | played | 4 Episodes | |
| • Method Man | played | 4 Episodes | |
| • Charley Rossman (1) | played | 4 Episodes | |
| • Nicole Sullivan | played | 4 Episodes | |
| • Jim Jenkins | played | 4 Episodes | |
| • Amanda Wyss | played | 4 Episodes | |
| • Doan Ly | played | 4 Episodes | |
| • Aasif Mandvi | played | 4 Episodes | |
| • Mark Collver | played | 4 Episodes | |
| • Brandon Kirsch (1) | played | 4 Episodes | |
| • Scott DeFoe | played | 4 Episodes | |
| • Aimee Graham | played | 4 Episodes | |
| • Tracee Ellis Ross | played | 4 Episodes | |
| • Mitchell Fink | played | 4 Episodes | |
| • Liev Schreiber | played | 4 Episodes | |
| • Lewis T. Powell | played | 4 Episodes | |
| • Brandon W. Jones | played | 4 Episodes | |
| • Barry Sigismondi | played | 3 Episodes | |
| • Peri Gilpin | played | 3 Episodes | |
| • Lorraine Toussaint | played | 3 Episodes | |
| • Dean Norris | played | 3 Episodes | |
| • Paul Terrell Clayton (1) | played | 3 Episodes | |
| • Joe Ochman | played | 3 Episodes | |
| • Harrison Young | played | 3 Episodes | |
| • Brad Johnson (3) | played | 3 Episodes | |
| • Amy Aquino | played | 3 Episodes | |
| • Paul Ganus | played | 3 Episodes | |
| • A. Martinez | played | 3 Episodes | |
| • Debra Wilson | played | 3 Episodes | |
| • Krista Allen | played | 3 Episodes | |
| • Danny Bonaduce | played | 3 Episodes | |
| • Leslie Bega | played | 3 Episodes | |
| • Titus Welliver | played | 3 Episodes | |
| • John Capodice | played | 3 Episodes | |
| • Laurie Fortier | played | 3 Episodes | |
| • Currie Graham | played | 3 Episodes | |
| • Alan Blumenfeld | played | 3 Episodes | |
| • Josh Jacobson | played | 3 Episodes | |
| • Vicellous Reon Shannon | played | 3 Episodes | |
| • Anthony E. Zuiker | played | 3 Episodes | |
| • Matt O'Toole | played | 3 Episodes | |
| • Paul Francis | played | 3 Episodes | |
| • Mark Derwin | played | 3 Episodes | |
| • Jason Segel | played | 3 Episodes | |
| • Greg Anthony | played | 3 Episodes | |
| • Dayton Callie | played | 3 Episodes | |
| • Annabeth Gish | played | 3 Episodes | |
| • Matt O'Leary | played | 3 Episodes | |
| • John Churchill | played | 3 Episodes | |
| • Mary Jo Mrochinski | played | 3 Episodes | |
| • Tom Warden | played | 3 Episodes | |
| • Teal Redmann | played | 3 Episodes | |
| • Delon Howell | played | 3 Episodes | |
| • Jessica Collins (2) | played | 3 Episodes | |
| • Monique Gabriela Curnen | played | 3 Episodes | |
| • Colin Kim | played | 3 Episodes | |
| • Jon Farless | played | 3 Episodes | |
| • Matt Lauria | played | 3 Episodes | |
| • Larry Holden | played | 2 Episodes | |
| • Sandra Hess | played | 2 Episodes | |
| • Geoffrey Blake | played | 2 Episodes | |
| • Michael Ensign | played | 2 Episodes | |
| • Anthony Starke | played | 2 Episodes | |
| • Tom Wright | played | 2 Episodes | |
| • Barbara Tarbuck | played | 2 Episodes | |
| • Bobby Hosea | played | 2 Episodes | |
| • Rudolf Martin | played | 2 Episodes | |
| • Wiley Pickett | played | 2 Episodes | |
| • Tracy Middendorf | played | 2 Episodes | |
| • Jimmi Simpson | played | 2 Episodes | |
| • Michelle Anne Johnson | played | 2 Episodes | |
| • Michael Cudlitz | played | 2 Episodes | |
| • Max Martini | played | 2 Episodes | |
| • Susan Gibney | played | 2 Episodes | |
| • Raymond Cruz | played | 2 Episodes | |
| • Vincent Corazza | played | 2 Episodes | |
| • John Pyper-Ferguson | played | 2 Episodes | |
| • Colby French | played | 2 Episodes | |
| • Brigid Brannagh | played | 2 Episodes | |
| • Paris Tanaka | played | 2 Episodes | |
| • Brent Briscoe | played | 2 Episodes | |
| • James McCauley | played | 2 Episodes | |
| • Ever Carradine | played | 2 Episodes | |
| • Jonathan T. Floyd (1) | played | 2 Episodes | |
| • Jeff Kober | played | 2 Episodes | |
| • Adam Harrington | played | 2 Episodes | |
| • Rodney Rowland | played | 2 Episodes | |
| • Raphael Sbarge | played | 2 Episodes | |
| • Amy Weber | played | 2 Episodes | |
| • Sophia Santi | played | 2 Episodes | |
| • Michael Welch | played | 2 Episodes | |
| • Michael Milhoan | played | 2 Episodes | |
| • Shonda Farr | played | 2 Episodes | |
| • Adrienne Smith | played | 2 Episodes | |
| • Tom Virtue | played | 2 Episodes | |
| • Mark Moses | played | 2 Episodes | |
| • Lee Garlington | played | 2 Episodes | |
| • Keri Lynn Pratt | played | 2 Episodes | |
| • Bill Jacobson | played | 2 Episodes | |
| • Connor Ross | played | 2 Episodes | |
| • Cheryl White | played | 2 Episodes | |
| • Rocky McMurray | played | 2 Episodes | |
| • Tamara Clatterbuck | played | 2 Episodes | |
| • Brian Howe | played | 2 Episodes | |
| • Daniel Roebuck | played | 2 Episodes | |
| • Steve Ryan | played | 2 Episodes | |
| • Christopher Gartin | played | 2 Episodes | |
| • Elisabeth Harnois | played | 2 Episodes | |
| • Larry Poindexter | played | 2 Episodes | |
| • Jim Beaver | played | 2 Episodes | |
| • Jamie McShane | played | 2 Episodes | |
| • Jonathan Banks (1) | played | 2 Episodes | |
| • Adrian R'Mante | played | 2 Episodes | |
| • Nestor Serrano | played | 2 Episodes | |
| • Eric Lange | played | 2 Episodes | |
| • Kim Delgado | played | 2 Episodes | |
| • Don McManus (1) | played | 2 Episodes | |
| • Kevin Cooney | played | 2 Episodes | |
| • Peter MacKenzie | played | 2 Episodes | |
| • Kevin Rahm | played | 2 Episodes | |
| • Geoff Koch | played | 2 Episodes | |
| • Larry Hankin | played | 2 Episodes | |
| • David Gianopoulos | played | 2 Episodes | |
| • Monnae Michaell | played | 2 Episodes | |
| • Peter Onorati | played | 2 Episodes | |
| • Megan Gallagher | played | 2 Episodes | |
| • Amy Acker | played | 2 Episodes | |
| • Johnny Messner | played | 2 Episodes | |
| • Keilana Smith | played | 2 Episodes | |
| • Tom Beyer | played | 2 Episodes | |
| • Darris Love | played | 2 Episodes | |
| • Bryan Friday | played | 2 Episodes | |
| • Sam Witwer | played | 2 Episodes | |
| • Peter Breitmayer | played | 2 Episodes | |
| • Danielle Nicolet | played | 2 Episodes | |
| • Jack Conley (1) | played | 2 Episodes | |
| • Dennis Christopher | played | 2 Episodes | |
| • Chris Mulkey | played | 2 Episodes | |
| • Joseph D. Reitman | played | 2 Episodes | |
| • Sandy Martin | played | 2 Episodes | |
| • James Eckhouse | played | 2 Episodes | |
| • Katee Sackhoff | played | 2 Episodes | |
| • Cooper Huckabee | played | 2 Episodes | |
| • Josie DiVincenzo | played | 2 Episodes | |
| • James Wellington | played | 2 Episodes | |
| • Frank Novak | played | 2 Episodes | |
| • Aldis Hodge | played | 2 Episodes | |
| • Nate Mooney | played | 2 Episodes | |
| • Tina Lifford | played | 2 Episodes | |
| • Lex Medlin | played | 2 Episodes | |
| • Jennifer Aspen | played | 2 Episodes | |
| • Douglas Smith | played | 2 Episodes | |
| • Dina Meyer | played | 2 Episodes | |
| • Victor Bevine | played | 2 Episodes | |
| • David Starzyk | played | 2 Episodes | |
| • Brennan Elliott | played | 2 Episodes | |
| • Devon Gummersall | played | 2 Episodes | |
| • Cody Kasch | played | 2 Episodes | |
| • John Beasley | played | 2 Episodes | |
| • Ntare Mwine | played | 2 Episodes | |
| • Jeff Perry | played | 2 Episodes | |
| • Michael Delano | played | 2 Episodes | |
| • Clayne Crawford | played | 2 Episodes | |
| • Jack McGee (1) | played | 2 Episodes | |
| • Channon Roe | played | 2 Episodes | |
| • Nick Chinlund | played | 2 Episodes | |
| • Jaclyn Smith | played | 2 Episodes | |
| • Lisa Darr | played | 2 Episodes | |
| • Mark Sheppard | played | 2 Episodes | |
| • Andy MacKenzie | played | 2 Episodes | |
| • Susan May Pratt | played | 2 Episodes | |
| • Bre Blair (1) | played | 2 Episodes | |
| • Brian D. Johnson | played | 2 Episodes | |
| • Catherine MacNeal (1) | played | 2 Episodes | |
| • Arye Gross | played | 2 Episodes | |
| • Alan Rosenberg (2) | played | 2 Episodes | |
| • Breck Wilson | played | 2 Episodes | |
| • Fredric Lehne | played | 2 Episodes | |
| • Nichole Hiltz | played | 2 Episodes | |
| • Garland Whitt | played | 2 Episodes | |
| • Seamus Dever | played | 2 Episodes | |
| • Chandra West | played | 2 Episodes | |
| • Samuel L. Jones | played | 2 Episodes | |
| • Andy Buckley | played | 2 Episodes | |
| • Lisa Arturo | played | 2 Episodes | |
| • Reginald VelJohnson | played | 2 Episodes | |
| • Kevin Will | played | 2 Episodes | |
| • Arlene Malinowski | played | 2 Episodes | |
| • Randy Lowell | played | 2 Episodes | |
| • Dig Wayne | played | 2 Episodes | |
| • Brianna Brown | played | 2 Episodes | |
| • J. Marvin Campbell | played | 2 Episodes | |
| • Marta Martin | played | 2 Episodes | |
| • Michele Greene | played | 2 Episodes | |
| • Pat Asanti | played | 2 Episodes | |
| • Colton James | played | 2 Episodes | |
| • Hallie Lambert | played | 2 Episodes | |
| • Todd Giebenhain | played | 2 Episodes | |
| • Bryan Callen | played | 2 Episodes | |
| • Luis Antonio Ramos | played | 2 Episodes | |
| • John Doman | played | 2 Episodes | |
| • Sue-Ling Garcia Hyde | played | 2 Episodes | |
| • Michael Lopez (1) | played | 2 Episodes | |
| • Michael Azria | played | 2 Episodes | |
| • Jaime Ray Newman | played | 2 Episodes | |
| • Susan Diol | played | 2 Episodes | |
| • Jeff Sugarman | played | 2 Episodes | |
| • David Andrews | played | 2 Episodes | |
| • James Hyde | played | 2 Episodes | |
| • Paul Carafotes | played | 2 Episodes | |
| • Jason London | played | 2 Episodes | |
| • Eric Allan Kramer | played | 2 Episodes | |
| • Mark Pellegrino | played | 2 Episodes | |
| • Jude Ciccolella | played | 2 Episodes | |
| • Gabriel Casseus | played | 2 Episodes | |
| • April Bowlby | played | 2 Episodes | |
| • Brianne Davis | played | 2 Episodes | |
| • Gigi Rice | played | 2 Episodes | |
| • Nancy Youngblut | played | 2 Episodes | |
| • Michael Jace | played | 2 Episodes | |
| • Alex Skuby | played | 2 Episodes | |
| • Vince Vieluf | played | 2 Episodes | |
| • Gina Hecht | played | 2 Episodes | |
| • Annie Burgstede | played | 2 Episodes | |
| • Craig Sheffer | played | 2 Episodes | |
| • Nicole Paggi | played | 2 Episodes | |
| • Jeff Snyder | played | 2 Episodes | |
| • Brendan Fletcher | played | 2 Episodes | |
| • Jay Karnes | played | 2 Episodes | |
| • Pamela Reed | played | 2 Episodes | |
| • Michael Bunin | played | 2 Episodes | |
| • Daniel Bess | played | 2 Episodes | |
| • Eric Nenninger | played | 2 Episodes | |
| • Grant Show | played | 2 Episodes | |
| • Brooke Nevin | played | 2 Episodes | |
| • Rebecca Budig | played | 2 Episodes | |
| • John L. Adams (1) | played | 2 Episodes | |
| • Leisha Hailey | played | 2 Episodes | |
| • Juliette Goglia | played | 2 Episodes | |
| • Kayla Mae Maloney | played | 2 Episodes | |
| • Thad Luckinbill | played | 2 Episodes | |
| • W. Earl Brown (1) | played | 2 Episodes | |
| • Reynaldo Gallegos | played | 2 Episodes | |
| • James Hiroyuki Liao | played | 2 Episodes | |
| • Mimi Michaels | played | 2 Episodes | |
| • Seth Gabel | played | 2 Episodes | |
| • Danica Stewart | played | 2 Episodes | |
| • Alexandra Lydon | played | 2 Episodes | |
| • Oscar Goodman | played | 2 Episodes | |
| • Laurence Fishburne | played | 2 Episodes | |
| • Scott "Carrot Top" Thompson | played | 2 Episodes | |
| • Lyne Odums | played | 2 Episodes | |
| • Bunnie Rivera | played | 2 Episodes | |
| • Cat Hammons | played | 2 Episodes | |
| • Del Hunter-White | played | 2 Episodes | |
| • Ambrit Millhouse | played | 2 Episodes | |
| • Lydia Blanco | played | 2 Episodes | |
| • Kate Blumberg | played | 2 Episodes | |
| • C. C. Carr | played | 2 Episodes | |
| • Mark Lentry | played | 2 Episodes | |
| • David Meunier | played | 2 Episodes | |
| • Todd E. Slayton | played | 2 Episodes | |
| • Jonny Miller (1) | played | 2 Episodes | |
| • Edwin Villa | played | 2 Episodes | |
| • Brenda Canela | played | 2 Episodes | |
| • Seth Michaels | played | 2 Episodes | |
| • Daniel Arrias | played | 2 Episodes | |
| • Marco Morales (1) | played | 2 Episodes | |
| • Toni Wynne | played | 2 Episodes | |
| • Kandiss Edmundson | played | 2 Episodes | |
| • Cory Blevins | played | 2 Episodes | |
| • Omar Leyva | played | 2 Episodes | |
| • Amy Scott | played | 2 Episodes | |
| • Gabriel Salvador | played | 2 Episodes | |
| • Carla Orlandi | played | 2 Episodes | |
| • Gina Cancelliere | played | 2 Episodes | |
| • Hollie Stenson | played | 2 Episodes | |
| • Jeremy Cohenour | played | 2 Episodes | |
| • Billy Magnussen | played | 2 Episodes | |
| • Elaine Tan | played | 2 Episodes | |
| • Karl Herlinger | played | 2 Episodes | |
| • Aimee Deshayes | played | 2 Episodes | |
| • Justin Bieber | played | 2 Episodes | |
| • Jack Dimich | played | 2 Episodes | |
| • Michele Lainevool | played | 2 Episodes | |
| • Catrinel Menghia Marlon | played | 2 Episodes |