Barbara Wilson

Diane Wilson

Sten Gester

Erik Engström

Robert Burton

Dr. Frederick Wilson

Bengt Blomgren

Col. Robert Bottiger

Åke Grönberg

Dr. Henrik

Sten Gerster

John Carradine

Narrator

Gösta Prüzelius

Dr. Walter Ullman

Brita Borg

Singer (uncredited)

Doreen Denning

Anna (uncredited)

Ittla Frodi

Girlfriend in Volvo (uncredited)

Lars Åhrén

The Monster (uncredited)

Steve Conte

American Radio Supervisor #2 (US TV version) (uncredited)

Fred Hoffman

Doctor (US TV version) (uncredited)

Allan Johansson

(uncredited)

G.J. Mitchell

Diane's Psychiatrist (US TV version) (uncredited)

Chuck Niles

Second Doctor (US TV version) (uncredited)

Gustaf Unger

Air Passenger with Dark Glasses (uncredited)

Katherine Victor

Diane's Mother (US TV version) (uncredited)

Virgil W. Vogel

Director

Arthur C. Pierce

Guión, Guión Adaptado, Historia

Robert M. Fresco

Guión

Hilding Bladh

Director de Fotografía

Harry Arnold

Compositor de la Música Original

Allan Johansson

Compositor de la Música Original

Bertil Jernberg

Productor

Fortunafilm

Compañía de Produccion

Gustaf Unger Films

Compañía de Produccion

Gustaf Unger

Co-Productor

Shirley Cytron

Editor

Tom Rolf

Editor

Nils Nilsson

Dirección Artística

Odert von Schoultz

Special Effects