Larry Keith

as Theo Spoor (1 episode)

as Dr. Karl Brandt (3 episodes)

as Schmendrick / Voice Over (voice)

as Dr. Obenland

as Dr. Morton

as Henry Rothman (1 episode), as Car Owner (1 episode), as Frank Dunlap (2 episodes)

as Waxman

as Thomas Cohen (1 episode)

as Dr. Quentin (1 episode)

as Mr. Saunders

as Grenich (1 episode)

as Self (1 episode)