Mayor Munro
Joshua Bradbury (1 episode)
Deputy Police Chief
Andromus
Andromus (2 episodes)
Jack Corbin (1 episode)
Max Kendrick (3 episodes)
Dr. Paul Keller
Dr. Paul Taggart (1 episode)
Firecat
Narrator
Travis Buckman (1 episode)
Dr. Helmut van Bohlen
Claude Millgren (1 episode)
George Beaumont (segment "You Can Come Up Now, Mrs. Millikan") (1 episode)
Danny Bilson (1 episode)
Hannibal Heyes (alias Joshua Smith) (12 episodes)
Marcus McAllister
Jeff Clark
Stephen Foster Moody
Walt Tompkins (1 episode)
Jeff Clark / Peter Bradford (1225 episodes)
Karl Bjorstrand (1 episode)
Charlie
David Mitchell (1 episode)
Radioman (uncredited)
