Edward Wiley

as Hiram Otis

as Mr. Spab

as Lt. Muldowney

as DeSilva

as Gul Toran (1 episode)

as Lorimer

as Frank

as Willie (2 episodes)

as Governor Vagh (1 episode)

as Jonno (1 episode)

as Garfield

as Laribee's Assistant

as Coach John Graham (2 episodes)

as 2nd Intern

as Young Professor (1 episode)

as Frenchy (1 episode)

as Conductor

as Fitch

as Jasper Cranley (1 episode)