Mystery Submarine (1963)

Film details

Alternative titles

  • Decoy Working


A German submarine, U-153, is captured after sinking a British destroyer and relays a signal to Nazi headquarters purportedly from the captain. Manned by a British crew, U-153 sets off to find the Nazi wolf-pack which is to attack a British convoy. She is to act as decoy for the British interception force, 'Moonfleet'. Despite engine trouble, a bomber attack and difficulties with his second in command, Tarlton locates the pack and informs 'Moonfleet'. The Nazi commander overhears and makes a suicidal attempt to ram the submarine which escapes, only to be sunk by a British frigate which rescues the crew.

Cast & Credits

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