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