Crew
Virgil W. Vogel
Director
Arthur C. Pierce
Screenplay
Allan Johansson
Original Music Composer
Hilding Bladh
Director of Photography
BJ
Bertil Jernberg
Producer
HA
Harry Arnold
Original Music Composer
Cast
Barbara Wilson
Diane Wilson
Sten Gester
Erik Engström
Robert Burton
Dr. Frederick Wilson
Bengt Blomgren
Col. Robert Bottiger
Åke Grönberg
Dr. Henrik
John Carradine
Narrator (US Re-Edit)
Gösta Prüzelius
Dr. Walter Ullman
Brita Borg
Singer (uncredited)
Doreen Denning
Anna (uncredited)
Ittla Frodi
Girlfriend in Volvo (uncredited)
LÅ
Lars Åhrén
The Monster (uncredited)
Steve Conte
American Radio Supervisor #2 (US TV version) (uncredited)
