Dr. Ralph Harrison
Janice Roberts
Brian 'Gadge' Roberts
Prof. Arnold Nordstrom
The Foreign Spy-Chief
Paul (Spy Henchman)
Karl
Max (Spy Henchman)
Johnston - a Reporter
An Admiral
Screenplay
Story
Producer
Director
Special Effects
Makeup Artist
Editor
Original Music Composer
Set Decoration
Art Direction
Director of Photography
Production Supervisor
