Intriguing Cold War thriller stars Richard Widmark as Navy captain Eric Finlander, whose destroyer, the USS Bedford, encounters a Russian submarine off the coast of Greenland while on patrol in the North Atlantic, and whose unexplained aggression launches a tense game of cat and mouse. Sidney Poitier, Martin Balsam, James MacArthur, Wally Cox co-star; based on the novel by Mark Rascovich. 102 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital mono; Subtitles: English, Japanese, French, Korean.