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