Random Trivia For This Title:
- Jim Caviezel was originally going to play Cyclops but backed out in the end to appear in Frequency (2000).
- Hugh Jackman had to undergo training from a hand-to-hand combat specialist to learn how to handle the Wolverine claws.
- George Buza, the trucker, portrayed the voice of Beast in the [X-Men] animated series.
- Dougray Scott was cast to play Wolverine. He had to leave the project because of his work on Mission: Impossible II.
- After a defeated Storm re-enters the fight, Toad complains, "Don't you people ever die?" This is an in-joke since, in the comics, almost all of the characters featured have "died" at least once, then come back.
- Senator Kelly's line at the beginning of the movie about having a list of known mutants living in the United States is based on Senator Joseph McCarthy's famous speech about having a list of known communists working in the State Department.
- Sarah Michelle Gellar was considered for the role of Rogue
- Natalie Portman turned down the offer to play Rogue.
- In the Hamilton location (the train station scenes), the director, Bryan Singer, was mistaken for an onlooker, and was harassed by a policeman, not letting him join the production team for some moments.