Tony Doyle

as Moran (4 episodes)

as Tom French

as Brian Quigley (49 episodes)

as James Castle (24 episodes)

as Dr. Foley

as George Ferguson (10 episodes)

as Bob McCauley (3 episodes)

as Graham

as Geordie Wilson

as Bob Massey (1 episode)

as Prime Minister

as Police Inspector

as Badraig Murphy

as Chief Supt. John Deakin (35 episodes)

as Michael Gutteridge (8 episodes)

as Arthur Griffith

as John Axton

as The Chief

as Rex

as Tim Roarty (3 episodes)

as Martin

as Richard Ferguson QC

as Hoffman