Other mistake: 3/4 day mission to the North Pole, no-one grows a millimetre of stubble or has anything to eat.
Ice Station Zebra (1968)
1 other mistake
Directed by: John Sturges
Starring: Ernest Borgnine, Rock Hudson, Patrick McGoohan, Jim Brown
Character mistake: The crew many times refers to the sub as a ship - subs are always called a boat.
David Jones: May I ask, Captain, when we expect to reach the ice barrier?
Cmdr. Ferraday: Yes, you may ask.
Trivia: The famed aviator Howard Hughes was supposedly obsessed with this film, and sources claim it was his favorite. In his later years as a recluse, he allegedly would watch this film daily in his private theater.