Mystery Submarine

This seemingly forgotten and generally unavailable film withstands the years as a war film involving a British crew captained by Edward Judd aboard a captured German sub, their mission to infiltrate a German submarine "wolf pack" and give HQ its coordinates. The story emits echoes of how a captured U-boat enabled the British to crack the Enigma code, and seems realistic in showing how such a boat works and how its crew reacts under stress. The film was down with the cooperation of the Royal Navy and uses documentary footage of a depth charge attack. All told, a neat 90 minutes of storytelling.