Trivia: John Travolta made up the "cool dude walk" that Danny uses in the first scenes, when trying to create a bad boy image.
Trivia: Michael Myers' mask is a Captain Kirk mask painted white with ruffled hair and a few other tweaks.
Trivia: The moment where Blutarski breaks the guitar and then apologises was unscripted, and improvised by John Belushi.
Trivia: Jeff East, who plays teenage Clark Kent, was dubbed over with Christopher Reeves' voice. The only time Jeff's actual voice is heard is when he shouts in excitement after jumping past the speeding train.
Trivia: The term "Prince with a Thousand Enemies" used in the prelude is a direct translation of the rabbit folk hero El-Ahrairah's name.
Trivia: To acquire the withdrawn, hollowed-out look of his character, Christopher Walken ate nothing but bananas and rice.
Trivia: While the two men are preparing for the raiders towards the film's end (as they lower the gates, etc.), the music playing is the same as that which accompanied the opening credits of "Monty Python and the Holy Grail."
Trivia: With the release of the film, Congoleum ,the flooring company that designed The Yellow Brick Road, made the design available for home use.
Trivia: Two of Bruce Lee's earlier films, The Way of the Dragon and Fist of Fury, are seen as films Billy Lo (Bruce Lee) is starring in, Fist of Fury being the one where Billy is shot.
Trivia: When everyone's back at Sonny's ranch watching his old stunt films, the footage with him getting thrown from a canoe in a river was from his movie "Deliverance".
Trivia: Originally, Damien was going to be 15 instead of 12. He would also have had a girlfriend, so that when he discovered that he was the Antichrist, he would be torn between love and destiny. This idea was ultimately scrapped.
Trivia: The cast were told they could not have their own dressing rooms so Angela Lansbury, Maggie Smith and Bette Davis all shared a room.
Trivia: Though Phil Silvers is shown prominently in the credits, he has only about 2-3 seconds of screen time at the end of the movie. Silvers suffered a stroke in the early 70's; "The Cheap Detective" was made in 1978. His speech had become slurred and likely affected his performance abilities.
Trivia: Maggie Smith is the only actress to win an Oscar for playing a character who loses an Oscar.
Trivia: The role of Philo Beddoe was originally written for Burt Reynolds.
Trivia: In the opening title sequence we see a garbage truck going through the Golden Gate Bridge toll booth. We would find out later that these trucks were used to transport the pods. The truck is traveling southbound from Marin County into San Francisco which is appropriate, (intentional or not) since the book Body Snatcher was set in Mill Valley, in Marin County, about 10 miles from the bridge.
