At the end of World War II, a Royal Navy submarine on routine patrol strikes and detonates a mine. The subsequent explosion sinks the submarine, killing most of its crew. Frantic efforts are taken to rescue those remaining alive.

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Main Cast: Nigel Patrick, Derek Elphinstone, Ronald Adam, John Baker, Alban Blakelock, Patrick Macnee, Michael Hordern, Robert Raglan, Cameron Hall, Fred Groves

Director: Harold Clayton

Writer: Kenneth Woollard

Editor:

Cinematographer:

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