War
In World War II, the greatest threat to the British navy is the German battleship Tirpitz. While anchored in a Norwegian fjord, it is impossible to attack by conventional means, so a plan is hatched for a special commando unit to attack it, using midget submarines to plant underwater explosives.
Directed by
Ralph Thomas
Harry Towb
McCleery
Walter Gotell
German Officer on Tirpitz
Theodore Bikel
German Officer
John Horsley
Lt. Anderson
William Franklyn
No. 1, X2
Anthony Newley
Engineer, X2
Lyndon Brook
Diver Navigator, X2
James Robertson Justice
Admiral Ryder
John Gregson
Lieutenant Alec Duffy
O.E. Hasse
Captain of the Tirpitz
Thomas Heathcote
Hutchins
Michael Medwin
Smart
Cyril Chamberlain
CPO Chubb
James Kenney
Abercrombie
Frank Lawton
Naval Officer in Briefing Room (uncredited)
John Mills
Commandant Fraser
Donald Sinden
Lieutenant Tom Corbett
Lee Patterson
Cox
Raymond Francis
Officer on Towing Sub. (1)
Tony Wager
George
William Russell
Ramsey
Leslie Weston
Winley
Guido Lorraine
Officer Interpreter
Basil Appleby
Officer on Towing Sub. (2)
Victor Harrington
RAF Officer (uncredited)
Arthur Howell
German Navy Officer (uncredited)
Barry Keegan
Sailor on Towing Sub (uncredited)

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