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