Guest Stars: Kim Goody as Tessa | Karl Howman as Stacey | Barbara Keogh as Maisie

Guest Stars: Bernard Finch as D.I. Harrington | George Raistrick as Smith | John Line as Somerfield | Alexander Davion as Torres | Harold Innocent as Northcott | Don McKillop as Maclean

Guest Stars: Joanne Bell as Schoolgirl | Graeme Eton as CI5 Mechanic | Hazel McBride as Liz Spalding | Shirley Dixon as Mrs. Johnson | Sally Faulkner as Anne | Derek Francis as Len Hatch | Derrick O'Connor as Jack Stone

Guest Stars: Ralph Morse as SAS officer | Derek Lyons as Soldier at Checkpoint | Max Harvey as Pedestrian | Roger Nott as Police Chief | Prentis Hancock as Army Major | Allan Mitchell as Professor | Stephen Greif as Dr. Lowe | Donald Pickering as Brigadier Tennant | Michael Angelis as Len Clarke | John Hallam as Tug Willis | Michael Culver as Lt. Col. Peter Lawson

Guest Stars: Rex Wei as Embassy Man | Heather Emmanuel as Nurse | David Yip as Editor | Vincent Wong as Colonel Lin Foh | Derek Waring as Dr. Siegel | Philip Latham as Hogan

Guest Stars: Nick Stringer as Twig | Graham Crowden as Minister | Joyce Grant as Miss Walsh | Christopher Banks (2) as Mitchell | Patrick Ryecart as Williams | Barry Stanton as Ferris

Guest Stars: Alan MacNaughtan as Henry Laughlin | Aimée Delamain as Old Lady | Rex Robinson as Superintendent | Sheila Ruskin as Susan Grant | Timothy Block as Smith | David Neal (1) as Bauer | Rona Anderson as Mrs. Grant

Guest Stars: Imogen Bickford-Smith as Blonde | Vicki Michelle as Tina | Nick Brimble as Hart | Joseph Marcell as Nero | Ramsay Williams as Al

Guest Stars: Harry Fowler as Salesman | Al Matthews as Faroud | Colin McCormack as Inspector | Geoffrey Palmer as Avery | Charles Dance as Parker | Paul Medford as Felix Ojuka

Guest Stars: John Owens as Johnson | Peter Howell (2) as Howard | Del Henney as Quinn | Bernard Archard as Granger | Steven Berkoff as Krasnov

Guest Stars: Godfrey Jones as Ross Kilpin | Brian Miller (2) as Prison Officer | Seymour Green (1) as Wilfred Robard | Milton Johns as Clerk | Michael Praed as Terrorist