Jackson Chase (3 episodes)
Máirtín
Arthur 'Bull' Hancock (1 episode)
Brigadier General Stroud
Jack Welch (1 episode)
W. Mark Felt
Richard Bregman (1 episode)
Earl Sutton (11 episodes)
Driscoll
Aubrey Highsmith
Oren Cleary (1 episode)
Neil Dannon (1 episode)
Seán Óg (5 episodes)
Allen Bollings (1 episode)
Sean Og
Big Jason
Ed McKenzie (1 episode)
Rex Henning (1 episode)
Lawrence Kemp (1 episode)
David Cummings (1 episode)
Fire Marshal Chieco (1 episode)
Charles T. Ellison (3 episodes)
Louie Borero
John Stillman (156 episodes)
Director (2 episodes)
Ted Chenoweth
Assistant Director Marsh
Richard Chapin
Abner Harrington (1 episode)
Zaikov (1 episode)
Wyatt Claybourne
Jack Fisque
Detective Henry Doaks (2 episodes)
Wally Phister (2 episodes)
Reedy
Sheriff John Witter (4 episodes)
Ray MacElwaine (8 episodes)
Ben Kimble
Michael Kritschgau (5 episodes)
William Garry (1 episode)
FBI Agent Frank Sinclair
Captain Geary (13 episodes)
General Crook
FBI Special Agent Elliot Rose (1 episode)
Commissioner Coonan
Major Klein (1 episode)
Waite Calhoun (1 episode)
Bob Hannagan
Van Damme
Trevor Filburn (3 episodes)
Capt. Fred Roarke
Colonel Schrader (1 episode)
Capt. Hentig
Duncan
Matthew Barr
Agent Michaels
Cop in chase
Lt. Bill Somes
Sen. Charles Potter
Cochran
Mitch Ganzell (1 episode)
Det. Griffith
Sheriff Dewey (2 episodes)
Admiral Spencer (1 episode)
Jimmy Lanahan
Jeff Cooper
Freddo Parisi (1 episode)
Lexington
Motorman
Sgt. Maj. Mulcahy
Bartender
Charles Hatch (1 episode)
Clauson (1 episode)
Man #C
Attendant