Crew
RD
Ronald Davidson
Producer
MS
Marlin Skiles
Original Music Composer
AD
Albert DeMond
Screenplay
BA
Barney A. Sarecky
Screenplay
MR
Milton Rosen
Original Music Composer
FC
Fred C. Brannon
Director
LP
Lynn Perkins
Screenplay
Spencer Gordon Bennet
Director
Cast
Roy Barcroft
The Purple Monster
James Craven
Dr. Cygnus Layton
Dennis Moore
Craig Foster
Linda Stirling
Sheila Layton
Bud Geary
Hodge Garrett
JW
Joe Whitehead
Stewart
FH
Fred Howard
Prof. Crandal
RJ
Rosemonde James
Helen
MM
Mary Moore
Marcia
John Davidson
Emperor of Mars
Wheaton Chambers
Prof. Benjamin
