Tense maritime drama, based on the book by former Royal Navy officer Denys Rayner, is set in the North Atlantic of World War II, and stars Robert Mitchum as American destroyer skipper John Murrell and Curt Jürgens as German U-Boat commander von Stolberg, who play out a deadly cat-and-mouse game above and below the waves. Theodore Bikel, Frank Albertson, and Al (David) Hedison also star; produced and directed by Dick Powell. 97 min. Widescreen (Enhanced); Soundtracks: English Dolby Digital 4.0, French Dolby Digital mono, Spanish Dolby Digital mono; Subtitles: English, Spanish.