John McLaren
Katy Dandridge
Mary McLaren
Professor Herbert Weisse
Peter Leduq
Randowsky
Sergei Boetnikov
General van Dorff (uncredited)
Dennis McLaren (uncredited)
Lab Assistant (uncredited)
Stuart (uncredited)
Landowsky (uncredited)
Director
Original Music Composer
Director of Photography
Producer
Screenplay
Hairstylist
Production Manager
Screenplay
Production Design
Story
Makeup Artist
Director
