Name a good movie (any genre) that takes place (mostly) in a hotel?
Psycho
1408
For Love Or Money
Home Alone 2: Lost In New York
Ocean's Eleven and Ocean's Thirteen
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Mission Impossible: Ghost Protocol does not take part mostly in a hotel but has an extended sequence in the Burj Khalifa with Tom Cruise running outside the tallest building in the world so deserves an Honorable Mention.