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