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