Roger Davis

as Self

as Mayor Munro

as Joshua Bradbury (1 episode)

as Deputy Police Chief

as Andromus

as Andromus (2 episodes)

as Max Kendrick (3 episodes)

as Dr. Paul Keller

as Dr. Paul Taggart (1 episode)

as Kelly

as Jack Corbin (1 episode)

as Firecat

as Narrator

as Travis Buckman (1 episode)

as Dr. Helmut van Bohlen

as Millgren (1 episode)

as Jeff

as Marcus McAllister

as Danny Bilson (1 episode), as Hannibal Heyes (alias Joshua Smith) (12 episodes)

as George Beaumont (segment "You Can Come Up Now, Mrs. Millikan") (1 episode)

as Jeff Clark

as Stephen Foster Moody