Trivia: When Tony Manero's father slaps him on the back of the head during an argument at the dinner table, Tony replies, "Would you just watch the hair? You know, I work on my hair a long time and you hit it! He hits my hair!" John Travolta ad-libbed this line. Director John Badham thought it was so perfect for the character of Tony Manero that he decided to leave it in the film.
Trivia: Jackie Gleason's character is Buford T. Justice. This was the name of a real Florida Highway Patrolman known to Burt Reynolds' father who was once Chief of Police of Jupiter, Florida.
Trivia: When Doc Terminus is tied to the harpoon shot from the cannon and goes through the building roof, you can hear a "Goofy Holler."
Trivia: The character of umbrella wielding Major Harry Carlyle was inspired by real life Major Allison Digby Tatham-Warter, who said that he 'carried the umbrella because he could never remember the password, and it would be quite obvious to anyone that the bloody fool carrying the umbrella could only be an Englishman'. Unlike Carlyle in the film, Major Tatham-Warter survived the battle and was captured by the Germans. He escaped, and in the weeks that followed, aided by Dutch Resistance, helped hundreds of other soldiers in similar situations to be evacuated to safety.
Trivia: This applies to Moonraker too - Jaws' "teeth" were so painful that actor Richard Kiel could only keep them in for a few seconds at a time, which is why you don't get too many long shots with them visible. He only wore them when he needed to open his mouth.
Trivia: In the scene in which Alvy and Annie are watching people in the park and Alvy comments, "Oh, there goes the winner of the Truman Capote Look-Alike Contest," the passer by is actually Truman Capote, in an un-credited cameo.
Trivia: Author Peter Benchley has a cameo as a U-boat crewman in the prologue (extended version).
Trivia: Ian McShane was originally down to play the part of Jesus, and ended up being cast as Judas.
Trivia: During the second to the last scene of the movie, Barbara Carrera is trying to help Michael York push a rowboat into the ocean from the shore. As one of the manbeasts runs into the surf towards them, Barbara Carrera screams "Michael, look out"! Michael York's name in the movie is Andre Braddock!
Trivia: More than 8,000 rounds were used for the climactic shoot-out scene.
Trivia: The movie's plot is a fictionalized version of ballerina Lesley Browne (who played Amelia in the film) and her real-life family. Her mother, ballerina Mirrow Brown, was close friends with fellow dancer Nora Kaye (Lesley Browne's godmother). The characters of Emma and DeeDee were based on them. Nora Kaye was married to Hollywood director/producer Herbert Ross, who directed the film. Famed dancer Gelsey Kirkland was originally cast to play Amelia, but when she dropped out, Lesley Browne was cast to play a fictionalized version of herself.
Trivia: Edward Asner plays Adam, the father of Tom (Lawrence Pressman). In real life, Asner is only ten years older than Pressman.
Trivia: This was Ron Howard's feature film directorial debut.
Trivia: The navy radioman who first receives the emergency signal sent by Captain Gallagher (Jack Lemmon) is played by Chris Lemmon, Jack Lemmon's son.
Trivia: This was one of three horror anthologies that Donald Pleasence (who plays Valentine De'ath in the final segment) appeared in. The others were "From Beyond The Grave" in 1974 and "The Monster Club" in 1981.