Calificación
Reparto

Leslie Banks
Taylor

Michael Redgrave
Russian

Will Hay
Skipper

John Mills
Tom

Bernard Miles
Royal Navy Mate

Michael Rennie
George

Frank Cellier
Schneider

Robert Morley
Von Geiselbrecht

Alfred Drayton
Direktor

Marius Goring
German Propaganda Officer

Austin Trevor
U-boat Captain

Albert Lieven
Gunter

Leif Konow
Dane