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
Cliff Bell Sr.
Editor
Harold Minter
Editor
Bob Mark
Makeup Artist
Howard Lydecker
Special Effects
Theodore Lydecker
Special Effects
Polly Burson
Stunts
John Daheim
Stunts
Babe DeFreest
Stunts
Bud Geary
Stunts
Fred Graham
Stunts
Carey Loftin
Stunts
Cliff Lyons
Stunts
Tom Steele
Stunts
Dale Van Sickel
Stunts
Henry Wills
Stunts
Bud Thackery
Director of Photography
Mort Glickman
Original Music Composer
Ed Borschell
Sound
Richard Cherwin
Music Director
Roy Barcroft
The Purple Monster
Dennis Moore
Craig Foster
Linda Stirling
Sheila Layton
James Craven
Dr. Cyrus Layton
Bud Geary
Hodge Garrett
Mary Moore
Marcia
John Davidson
Emperor of Mars
Joe Whitehead
Carl Stewart
Emmett Vogan
Saunders
George M. Carleton
Dr. Paul Meredith
Kenne Duncan
Charles Mitchell
Rosemonde James
Helen
Monte Hale
Dr. Harvey
