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)