| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur C. Pierce | Crew | Writing | Screenplay, Story |
Gustaf Unger | Crew | Production | Co-Producer |
 Hilding Bladh | Crew | Camera | Director of Photography |
Nils Nilsson | Crew | Art | Art Direction |
Tom Rolf | Crew | Editing | Editor |
 Virgil W. Vogel | Crew | Directing | Director |
Harry Arnold | Crew | Sound | Original Music Composer |
Bertil Jernberg | Crew | Production | Producer |
 Allan Johansson | Crew | Sound | Original Music Composer |
Shirley Cytron | Crew | Editing | Editor |
Odert von Schoultz | Crew | Crew | Special Effects |
 Barbara Wilson | Cast | Actress | Diane Wilson |
 Bengt Blomgren | Cast | Actor | Col. Robert Bottiger |
 Brita Borg | Cast | Actress | Singer (uncredited) |
Chuck Niles | Cast | Actor | Second Doctor (US TV version) (uncredited) |
 Doreen Denning | Cast | Actress | Anna (uncredited) |
Fred Hoffman | Cast | Doctor (US TV version) (uncredited) | |
Gustaf Unger | Cast | Actor | Air Passenger with Dark Glasses (uncredited) |
 Gösta Prüzelius | Cast | Actor | Dr. Walter Ullman |
 Ittla Frodi | Cast | Actress | Girlfriend in Volvo (uncredited) |
 John Carradine | Cast | Actor | Narrator (US Re-Edit) |
 Katherine Victor | Cast | Actress | Diane's Mother (US TV version) (uncredited) |
Lars Åhrén | Cast | The Monster (uncredited) | |
 Robert Burton | Cast | Actor | Dr. Frederick Wilson |
 Sten Gester | Cast | Actor | Erik Engström |
 Steve Conte | Cast | Actor | American Radio Supervisor #2 (US TV version) (uncredited) |
 Åke Grönberg | Cast | Actor | Dr. Henrik |
G.J. Mitchell | Cast | Diane's Psychiatrist (US TV version) (uncredited) | |
Allan Johansson | Cast | Actor | (uncredited) |
| Person | Type | Job | Role(s) |
