Trivia: The large engagement ring that Grace Kelly wears in the movie is not a prop. It was a real 10-carat diamond engagement ring given to Kelly by her fiancé and later husband, Prince Rainier of Monaco.
Trivia: This was 20 year old singer Bobby Rydell's movie debut. He admitted later that the film turned him off from working in films, and he did not like working with Ann-Margret at all. He would not do another film until 1975.
Trivia: During production, James Cagney broke a rib whilst filming a dance scene. In spite of the injury, he still managed to complete the sequence.
Trivia: During the title sequence, as Millie is buying a pack of cigarettes from a vendor, her undergarment breaks. The vendor stares at her in surprise, and she does a slight curtsy and walks away. When the film was originally released, that was followed by a quick shot of the vendor looking down and seeing Millie's broken undergarment lying on the sidewalk, but for some unknown reason, that shot has been deleted.
Trivia: Audrey Landers is not seen in wide shots of the entire cast while dancing because she was an inexperienced dancer.
Trivia: 1980s teen idol Tiffany provided the voice of Judy Jetson. She also provided the songs found in the film. To her dismay, critics not only attacked the film, but the songs she sang.
Trivia: The Holiday Inn chain of motels, founded after World War II was named after this movie, not the other way around.
Trivia: Shirley Jones was pregnant during the movie. She wore a special corset to conceal this. Director Morton DaCosta did not want anyone else involved in the movie to be aware of her pregnancy. He was so successful, that it was not until the kissing scene on the bridge that Robert Preston (Harold Hill) found out, when he was shocked to feel Jones' baby kicking him in the stomach.
Trivia: Tom Cruise modeled his portrayal of Stacee Jaxx on a combination of Axl Rose from Guns N' Roses and Bret Michaels from Poison.
Trivia: When Robin Hood and all of the villagers are having the party and singing and dancing, look closely at the dance, it's from Snow White. Some of the villagers are the dwarfs and Maid Marion is Snow White. Also, when Little John is dancing it's from The Jungle Book.
Trivia: Adam Sandler's wife, Jackie Titone, was the voice of Jennifer.
Trivia: The Country Bears attraction, on which the movie was based, was originally supposed to be located at Disney's Mineral King ski resort in California. When that project was cancelled (due to opposition from environmental groups), the Bears were moved to Disney World.
Trivia: When the title first appears, it says "Monty Python's Meaning Of Liff," which abruptly changes to "Life" with the title is struck by lightning. Author Douglas Adams (friend of Graham Chapman and occasional Python contributor) contacted Terry Gilliam to ask if he could use the title "The Meaning Of Liff" for a mock dictionary he was writing at about the same time. Adams and the Pythons agreed that the crossover publicity could be mutually beneficial. (00:17:35)