Towards the end of the movie during the play: Kelly goes backstage during intermission, and her hairstyle and color has changed. According to the DVD, it was a pick-up scene and she had already started filming Spider-Man. That's why her hair was now red. See more...
At the beginning of the film when Colin Hanks' character is trying to set Ben Foster's character up with the unlucky/clumsy blond, he mentions the school name as Rosnell High, which is a thinly-veiled reference to his school in the TV series Roswell High.
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