The Deadliest Undersea Battle Ever Filmed!

A British convoy is trying to elude a group of German U-Boats.

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Main Cast: Edward Judd, James Robertson Justice, Laurence Payne, Joachim Fuchsberger, Arthur O'Sullivan, Albert Lieven, Richard Carpenter, Nigel Green

Director: C.M. Pennington-Richards

Writers: Hugh Woodhouse, Bertram Ostrer

Editor: Bill Lewthwaite

Cinematographer: Stanley Pavey

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