The U.S. nuclear sub Tigerfish churns toward the North Pole. Its mission: rescue the imperiled members of weather outpost Ice Station Zebra. On board are Cmdr. Ferraday and his crew, several unexpected arrivals with secret orders - and enough suspicions, suspense and twists to make Ice Station Zebra an engrossing espionage thriller.The Cold War heats up as John Sturges (The Great Escape) directs Rock Hudson, Ernest Borgnine, Patrick McGoohan, Jim Brown and more in this epic adventure nominated for two Academy Awards and featuring taut action set pieces above and below the ice. All hands to stations for excitement!