Trivia: Meryl Streep filmed all of her scenes in less than a week.
Trivia: The man working on the burger van is reading a copy of The Da Vinci Code - interesting as the book is about the Jesus blood line.
Trivia: In the 40th anniversary re-mastered edition they have used Audrey Hepburn's original singing track for the "Wouldn't it be lovely" song.
Trivia: This was the last Disney movie to include "A Walt Disney Production" at the end, as well as the first movie to be completed after Disney's death in 1966.
Trivia: In the talk show dream sequence, Paul McCartney and Ringo Starr are introduced, and there is a shot of their two pairs of feet, one of which is barefoot. This is a reference to the cover of the album Abbey Road in which Paul is the only Beatle barefoot.
Trivia: Antonio Banderas got the role of Che by submitting a self-made audition tape and then performing all the musical numbers in front of director Alan Parker at a dinner meet in Miami.
Trivia: When making this movie, Walt Disney turned the script into a comic at first and they used these "comic strips" to move around shots and scenes, replace things and generally see what would work or not. This technique is now known as storyboarding and pretty much every single movie production uses it.
Trivia: In the famous scene when Don Lockwood is singing in the rain, apparently Gene Kelly (Don) was suffering from a fever.
Trivia: The vultures at the end of the movie are meant to represent the Beatles, and are the same voices used for Yellow Submarine.
Trivia: The colours of the coat (in case you were wondering) are red, yellow, green, brown, scarlet, black, ochre, peach, ruby, olive, violet, fawn, lilac, gold, chocolate, mauve, cream, crimson, silver, rose, azure, lemon, russet, grey, purple, white, pink, orange and blue. They were once voted the best lyrics in the piece, and Tim Rice didn't even write them.
Trivia: When Quasimodo is singing a few minutes into the film, he is standing above the town street where people are walking around, doing business. If you look closely to the lower right of the scene, you can see Belle from "Beauty and the Beast" reading a book in her blue dress, walking.
Trivia: Gert Fröbe and Desmond Llewelyn are in the film both of whom were in "Goldfinger" (1964). The first Bond novels were written by Ian Fleming who also wrote "Chitty Chitty Bang Bang."
Trivia: In his biography, Gene Kelly has admitted that he knew Xanadu was a bad film, but found Olivia Newton-John a joy to work with and she helped him survive it.
Trivia: The little pesky sister, Dolores Rebchuck, does the voice for Bobby Hill on King of the Hill.
Trivia: In the first scene in Max's office, there is a calendar showing the date as June 16. Leopold Bloom is a character in James Joyce's Ulysses, which recounts the events of a single day. June 16th.
Trivia: During the Roman Empire, the woman says walk this way, and they walk like she did. This joke was featured in Young Frankenstein, as well.