Diane Wilson

Barbara Wilson

Acting

Erik Engström

Sten Gester

Acting

Dr. Frederick Wilson

Robert Burton

Acting

Col. Robert Bottiger

Bengt Blomgren

Acting

Dr. Henrik

Åke Grönberg

Acting

Narrator (US Re-Edit)

John Carradine

Acting

Dr. Walter Ullman

Gösta Prüzelius

Acting

Singer (uncredited)

Brita Borg

Acting

Anna (uncredited)

Doreen Denning

Acting

Girlfriend in Volvo (uncredited)

Ittla Frodi

Acting

The Monster (uncredited)

Lars Åhrén

Acting

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

Steve Conte

Acting

Doctor (US TV version) (uncredited)

Fred Hoffman

Acting

(uncredited)

Allan Johansson

Sound

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

G.J. Mitchell

Acting

Second Doctor (US TV version) (uncredited)

Chuck Niles

Acting

Air Passenger with Dark Glasses (uncredited)

Gustaf Unger

Production

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

Katherine Victor

Acting