Continuity mistake: When we first see Hannah, her room number at the Beverly Hills Hotel is 305. Later, when she and Bill return from a day at the beach, the room number is 306.
California Suite (1978)
1 mistake - chronological order
Directed by: Herbert Ross
Starring: Michael Caine, Maggie Smith, Jane Fonda, Alan Alda
Sidney Cochran: One day when you're an antique I shall vote for you. I promise.
Trivia: Maggie Smith is the only actress to win an Oscar for playing a character who loses an Oscar.