According to maritime historian William J. Miller, the famed French Line was so horrified that its former flagship would be used in such a way that it demanded that the Ile de France's name be removed from her bow and that in no way would any references be made to them.
Edmond O'Brien took issue with the safety precautions during filming and left the production in protest. When he returned, he discovered that his part had been greatly reduced and he was no longer required on set.
When the dining room is seen flooding with water rushing in through the portholes, fire boats were positioned alongside the ship. They fired water at the portholes into the dining room, which was still well above sea level.
During shooting a Japanese criminal organization made threats of violence if a certain amount of extortion money wasn't paid. Director Andrew L. Stone and his wife Virginia L. Stone almost came to physical blows with the man making the threats.