Trivia: In addition to Ryan O'Neal appearing in this film we also see his brother Kevin O'Neal (delivery boy), and his mother Patricia O'Neal (woman on plane).
Trivia: Marlon Brando ad-libbed most of his dialogue for the movie.
Trivia: "Cabaret" holds the record for most Academy Awards won by a film which did not win the Best Picture Award. The film won eight in total.
Trivia: Hitchcock's cameo can be seen three minutes into the film, just after the opening credits. As Sir George espouses the virtues of a clean river, Hitchcock can be seen in the crowd wearing a bowler hat.
Trivia: Doris Roberts plays Charles Grodin's mother in the film, even though in real life she's only five years older than him.