Don't forget "Goliath Awaits", a 1981 TV film with Mark Harmon, Emma Samms, Eddie Albert, and, I believe, Christopher Lee. That film involves a fictional liner torpedoed, and sunk, at the beginning of World War II. Later, during a salvage trip to the site, it is learned that a few of the passengers and crew are alive, in protected air pockets.
Interestingly, the time given at the beginning of the film is the same time the Queen Mary was on its way to New York.
Another note: Queen Mary is featured in "Pearl Harbor", but that scene has several errors:
1. The dock area is incorrectly configured; coming up on the port side, there would have been the docking facility in the way;
2. The ship was in the South Pacific at the time; and,
3. She would have been painted in her "Grey Ghost" colors.
But such is Hollywood: never let facts spoil a romantic scene.