John Gabriel

as Dr. Armand Zola / Worker (voice) (archive footage)

as Dr. Zola / Worker (voice) (1 episode), as P.A. Announcer (voice) (1 episode)

as Sarge Joyner

as Bernard Kincaide (1 episode)

as Newscaster (1 episode)

as Joshua Lambert

as Dr. Johnny Windhurst (1 episode)

as Mallory

as Hunter

as Commentator

as Floyd Gaines (1 episode)

as TV Anchor Reporting Beale's Suicide Threat (uncredited)

as Dr. Seneca Beaulac (56 episodes)

as Professor Zeiner

as Dirk Shuster (1 episode)

as Wilson

as Andy Rivers (5 episodes)

as Mark Adams

as Jack Thomas (1 episode)

as Pedro, Lyricist

as Prince Ahmed (1 episode)

as Crewman (uncredited) (1 episode)