Cast
Manning Whiley
Naval officer (uncredited)
Leslie Banks
Taylor
John Boxer
Press
Michael Wilding
Captain (uncredited)
Alfred Drayton
Direktor
George Woodbridge
Quisling
Ronald Adam
German businessman (uncredited)
Morland Graham
Civil Service
Michael Redgrave
Russian
John Mills
Tom
Bernard Miles
Royal Navy Mate
Thora Hird
German barmaid (uncredited)
Michael Rennie
George
Marius Goring
German Propaganda Officer
John Williams
Voice over (uncredited)
Albert Lieven
Gunter
Will Hay
Skipper
Frank Cellier
Schneider
Robert Morley
Von Geiselbrecht
Ronald Shiner
Shipping clerk (uncredited)
Austin Trevor
U-boat Captain
John Stuart
Royal Navy: Naval Officer
Cyril Chamberlain
Press
George Merritt
German: German Shelter Marshal
Frederick Piper
Malta official (uncredited)