Top Cast
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