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.
as Commandant Fraser
as Lieutenant Alec Duffy
as Lieutenant Tom Corbett
as Admiral Ryder
as Smart
as German Officer
as Abercrombie
as Ramsey
as Captain of the Tirpitz
as Cox
as McCleery
as CPO Chubb
as George
as Winley
as Diver Navigator, X2
as Hutchins
as Engineer, X2
as Lt. Anderson
as No. 1, X2
as Officer Interpreter
as Officer on Towing Sub. (1)
as Officer on Towing Sub. (2)
as German Officer on Tirpitz
as RAF Officer (uncredited)
as German Navy Officer (uncredited)
as Sailor on Towing Sub (uncredited)
as Naval Officer in Briefing Room (uncredited)
