Professor Mizzy (1 episode)

Edward James (1 episode)

Captain Spaulding (1 episode)

Dr. William Croyder (1 episode)

Roger Whitman

Quintan

Mr. Secretary (3 episodes)

Mr. Loller (1 episode)

Alan Kitch (1 episode)

Sydney Shoup (1 episode)

Reporter (1 episode)

Mr. Craig (1 episode)

Howard Gabriel (1 episode)

Lloyd Edelson (1 episode)

Howard Fuller (1 episode)

Sam

Ben (1 episode)