Trivia: The infant playing Connie and Carlo's baby son Michael Francis Rizzi who Kay holds during the christening scene is Sofia Coppola, Francis Ford Coppola's daughter, who was born in May 1971. Sofia later had a prominent role in Part III as Michael's daughter, Mary. Other than the main characters, Sofia is the only actor to have appeared in all three films. In The Godfather II, she can be briefly seen as an immigrant girl on the ship that brings Vito Corleone to Ellis Island.
Trivia: At the end of the film, the police officer advising Beatty and Voight to go away and not to come back is James Dickey, the screenwriter and author of the book the film is based on.
Trivia: During principal photography, Blythe Danner was pregnant with Gwyneth Paltrow. Paltrow later played Martha Jefferson's daughter Patsy in Jefferson in Paris.
Trivia: Look at the name of the technical adviser in the opening credits - it's "Sun Tan Lo Tion".
Trivia: The scene where Belle (Shelly Winters) dives into the water was actually rehearsed by having her jump into the water. She decided to dive in while filming the scene and that take was used.
Trivia: Marguerite Wyke was "played" by Joanne Woodward, the wife of Paul Newman. Woodward's likeness was used for Andrew's painting of Marguerite, and the actress listed as playing her was a fictional name.
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: The plot of the medical drama that Charles Hawtrey and Hattie Jacques settle down to watch is taken directly from the film "Green for Danger", which gave Jacques her first talking role.
Trivia: Mary Ure plays Katherine, the mother of Marguerite (Sondra Locke). In real life, Ure (born 1933) was only eleven years older than Locke (born 1944).
Trivia: The infamous closing scene in which Divine eats dog feces was completely real. The dog was fed steak before filming, and his owner wouldn't let it outside to "go" until they were ready to film. Divine later called a hospital to see if he could get sick from the stunt, pretending to be a concerned parent whose "retarded child ate dog poop" because he was too embarrassed to admit he did it.
Trivia: When Jason dies at the end of the film, it is not Ray Milland you see but a double. This is due to the fact that Milland quit the film three days early due to his intense hatred of the production.
Trivia: During the filming of one scene in a native village, Klaus Kinski hit one of the extras over the head with his sword, almost killing him. The man survived because he had a helmet on.
Trivia: The space ship "Valley Forge" from Silent Running was re-used in one episode of the television series "Battlestar Galactica" (1978-1979). It was called the "agro-ship," used to grow food for the colonists.
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: Hywel Bennett (Duckworth) doesn't have a single line of dialogue in the film.
Trivia: Anne Bancroft, who plays Lady Jennie Churchill, was only 10 years older than Simon Ward, who plays her son.