Cast
James Kenney
Abercrombie
Thomas Heathcote
Hutchins
Guido Lorraine
Officer Interpreter
Barry Keegan
Sailor on Towing Sub (uncredited)
James Robertson Justice
Admiral Ryder
O.E. Hasse
Captain of the Tirpitz
William Franklyn
No. 1, X2
Frank Lawton
Naval Officer in Briefing Room (uncredited)
John Gregson
Lieutenant Alec Duffy
Theodore Bikel
German Officer
Lee Patterson
Cox
Harry Towb
McCleery
Cyril Chamberlain
CPO Chubb
Anthony Newley
Engineer, X2
John Horsley
Lt. Anderson
Donald Sinden
Lieutenant Tom Corbett
Michael Medwin
Smart
William Russell
Ramsey
Tony Wager
George
Lyndon Brook
Diver Navigator, X2
Raymond Francis
Officer on Towing Sub. (1)
Walter Gotell
German Officer on Tirpitz
John Mills
Commandant Fraser