A top-secret Soviet spy satellite -- using stolen Western technology -- malfunctions and then goes into a descent that lands it near an isolated Arctic research encampment called Ice Station Zebra, belonging to the British, which starts sending out distress signals before falling silent. The atomic submarine Tigerfish, commanded by Cmdr. James Ferraday (Rock Hudson), is dispatched to save them.
as Cdr. James Ferraday
as Boris Vaslov
as David Jones
as Capt. Leslie Anders
as Lt. Russell Walker
as Col. Ostrovsky
as Lt. Cdr. Bob Raeburn
as Lt. Jonathan Hansen
as Lt. George Mills
as Lt. Courtney Cartwright
as Dr. Jack Benning
as Russian Aide
as Lt. Edgar Hackett
as Lt. Mitgang
as Survivor
as Earl MacAuliffe
as Paul Zabrinczski
as Bruce Kentner
as Gafferty
as Parker
as Cedric Patterson
as Lyle Nichols
as Wassmeyer
as Webson
as Kohler
as Edward Rawlins
as Timothy Hirsch
as Kelvaney
as Survivor
as Fannovich
as Lorrison
as Lt. Carl Mingus
as Peter Costigan
as Hill
as Admiral Garvey
as Survivor
as Philip Munsey
as Gambetta
as Seaman with torpedo accident (uncredited)
as Bar Patron (uncredited)
as Maneuver Sergeant (uncredited)
as Pvt. Grey (uncredited)
as 2nd Barman (uncredited)
as Wardroom Attendent (uncredited)
as Bartender (uncredited)