Casting
Hugh Williams
Colin Metcalfe
Griffith Jones
Police Inspector Gunter (as Griffiths Jones)
Deborah Kerr
Kari Alstad
Ralph Richardson
Frank Lockwood
Francis L. Sullivan
Kommandant Ulrich Wettau
Roland Culver
Cmdr. Pittwaters
Finlay Currie
Capt. Alstad
Niall MacGinnis
Olaf
Elizabeth Mann
Gerda
Raymond Huntley
Patricia Medina
Ingrid
Roland Pertwee
Capt. Waverley