Casts
Roy Barcroft
The Purple Monster
James Craven
Dr. Cygnus Layton
Dennis Moore
Craig Foster
Linda Stirling
Sheila Layton
Bud Geary
Hodge Garrett
Joe Whitehead
Stewart
Fred Howard
Prof. Crandal
Rosemonde James
Helen
Mary Moore
Marcia
John Davidson
Emperor of Mars
Wheaton Chambers
Prof. Benjamin
Crews
Spencer Gordon Bennet
Director
Fred C. Brannon
Director
Royal K. Cole
Screenplay
Albert DeMond
Screenplay
Basil Dickey
Screenplay
Lynn Perkins
Screenplay
Joseph F. Poland
Screenplay
Barney A. Sarecky
Screenplay
Ronald Davidson
Producer
Bud Thackery
Director of Photography
Milton Rosen
Original Music Composer
Marlin Skiles
Original Music Composer
Charles Maxwell
Music
Ed Borschell
Sound
Backdrops & Posters
