Russ Bradford
James Craig
Susan Winter
Gloria Talbott
Martin 'Marty' Melville
Lon Chaney Jr.
Lee Brand
Tom Drake
The Cyclops
Duncan 'Dean' Parkin
The Governor
Vicente Padula
The Salesgirl
Marlene Kloss
The Policeman
Manuel López
Director
Bert I. Gordon
Writer
Producer
Special Effects
Producer's Assistant
Flora M. Gordon
Assistant Director
Harry L. Fraser
Special Effects Makeup Artist
Jack H. Young
Associate Producer
Henry Schrage
Original Music Composer
Albert Glasser
Director of Photography
Ira H. Morgan
Editor
Carlo Lodato
Makeup Artist
Carlie Taylor
Production Manager
Ray Taylor Jr.