Trivia: Susan Bones, who was sorted into Hufflepuff, is shown prominently throughout the film, even in some of the Gryffindor classes. The reason she is used so much is that she is actually Chris Columbus's daughter, Eleanor.
Trivia: When the Hobbits enter Bree, right after the wheel of the carriage passes in front of them, there is a man you see to the right who's holding a carrot and burps. That is Peter Jackson making a cameo appearance.
Trivia: In the scene at the beginning where the camera pans through Montmarte, there is a close up of a prostitute. This is Tara Morice, who Baz Luhrmann fans will recognize as Fran from Strictly Ballroom.