Trivia: Renée Zellweger, Catherine Zeta-Jones, and Richard Gere all did their own dancing and singing.
Trivia: In the biblical book of Jonah, there is actually no whale that swallowed Jonah. The "whale" is a mistranslation of the Hebrew word for a big fish by the translators of the King James Version. Because of the prominence, respectability, and the wide distribution (it is in the public domain in the U.S., but not in the U.K.) of the King James translation over modern translations like the New International Version, the "whale" is what most Bible readers think of the sea creature that swallowed Jonah.
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.