William Hopper

as Self (archive footage)

as Judge Frederic D. Cannon (uncredited)

as Joe Brewster

as Paul Drake (271 episodes)

as Colonel Robert Calder

as Dr. Nedrick 'Ned' Jackson

as Arnold Bait (1 episode)

as Col. Kenneth Penmark

as William Barrett Travis

as Walden Grover

as Judy's Father

as Philip Harland (1 episode)

as John Henry Jordan (1 episode), as Tasker (1 episode)

as 'Mac' MacBain

as Smokey

as Dr. George Fenton

as Capt. Jonathan Carroll (1 episode)

as Arthur Bridges

as District Attorney

as Charles Wentworth

as Roy

as Joe Cramer (1 episode)

as Dan Mailer (1 episode)