Top Billed Cast

John Mills
Commandant Fraser
John Gregson
Lieutenant Alec Duffy
Donald Sinden
Lieutenant Tom Corbett
James Robertson Justice
Admiral Ryder
Michael Medwin
Smart
Theodore Bikel
German Officer
James Kenney
Abercrombie
William Russell
Ramsey
O.E. Hasse
Captain of the Tirpitz
Lee Patterson
Cox
Harry Towb
McCleery
Cyril Chamberlain
CPO Chubb
Tony Wager
George
Leslie Weston
Winley
Lyndon Brook
Diver Navigator, X2
Thomas Heathcote
Hutchins
Anthony Newley
Engineer, X2
John Horsley
Lt. Anderson
William Franklyn
No. 1, X2
Guido Lorraine
Officer Interpreter
Raymond Francis
Officer on Towing Sub. (1)
Basil Appleby
Officer on Towing Sub. (2)
Walter Gotell
German Officer on Tirpitz
Victor Harrington
RAF Officer (uncredited)
Arthur Howell
German Navy Officer (uncredited)
Barry Keegan
Sailor on Towing Sub (uncredited)
Frank Lawton
Naval Officer in Briefing Room (uncredited)

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Review 1Discussion

A review by CinemaSerf

Written by CinemaSerf on Mon Nov 14 2022

John Mills sets off to convince a sceptical Admiral (James Robertson Justice) of the merits of "midget" submarines in active warfare. His intention is to use these tiny craft to lay high explosives underneath the hull of the mighty Nazi battleship "Tirpitz" that is safely anchored in a steep-sided Norwegian fjord. John Gregson and Donald Sinden join him on the mission deep into the heart of enemy territory fighting both the elements and the novel technology. You get a sense of he claustrophobic conditions - and of the close teamwork that engenders, as well as the fragility of their craft and; t...