Trivia: The voices for the singing busts are provided by the Dapper Dans, a barbershop quartet that performs regularly at Disneyland park in Anaheim, California.
Trivia: Originally, the story was very different. The kangaroo appeared only in one scene, but the crew liked it so much, they changed the whole movie.
Trivia: The man in handcuffs being taken from the police station at the end is the real life Phil Kauffman.
Trivia: If you stay a little bit into the credits, there is a nice thank you speech from the person who plays Rocket.
Trivia: Colin Farrell recorded a version of The Clash's "I Fought the Law..." for the film.
Trivia: Ciaran Hinds who plays the role of the husband of Chris, had also starred with Helen Mirren in the award winning series Prime Suspect 3, back in 1993.
Trivia: The ending song scene, during the credits - singing wasn't strange to either of the actors: Zellwegger had a leading role in Chicago, and McGregor in Moulin Rouge, movies where they had several song scenes. In fact, the scene was only added at the insistence of the actors.
Trivia: The guy who plays 'Mister minister' also played Julia Stiles' dad in 10 Things I Hate About You, which also took place around Seattle. They give each other funny confused looks when she is leaving Jason Lee's apartment in the beginning of the movie.
Trivia: In one scene, Julia Roberts takes her students to see a painting by Jackson Pollock. Julia's co-star Marcia Gay Harden won her Academy Award playing Pollock's wife in the movie "Pollock," opposite Ed Harris, who incidentally played Julia's boyfriend/fiancé in "Stepmom." (00:45:20)
Trivia: In the DVD commentary, Tony Martin (director) reveals that all the behind-the-scenes crew had roles as extras in the movie. One dolly grip refused to be in it, but Tony got lucky, as that dolly grip was the one reflected in the security guard's windows during the computer scenes. Instead of digitally taking him out, he left it it thus justifying his rule.
Trivia: When the people are at the Jewish Justice League, it cuts to a shot of a sign saying something like "Israeli Athletes Team." This is a reference to the 1972 Munich Olympic Games, where eleven Israeli Olympic athletes were killed.
Trivia: On the DVD, Veronica Cartwright's name or character is not listed in either the opening or closing credits.
Trivia: April uses her bedspread as a tablecloth. The same bedspread she and her boyfriend had had sex on earlier in the day. Eeewww.
Trivia: Brittany Murphy and Donald Faison were both in Clueless together early in their careers and now they are reunited for this movie.
Trivia: When Émilien is following the commissaire dressed as Santa Claus, he stops for a moment at a market stand. On the wall is poster of "Wasabi," another movie from producer Luc Besson. (00:19:40)
Trivia: At the start of the movie, when Juni says, "To finding lost toys", he finds a toy that bears a resemblance to Grandpa in the red armor in the game when he finds "Megalegs".
Trivia: About fifty minutes into the movie, one of the other pageant contestants tells Becca Wasserman to make sure she uses "every girl's secret weapon, hairspray. It will make her a star." The joke is that the actress playing Becca, Marissa Jaret Winokur, gained sudden fame after winning a Tony for her performance in the Broadway musical Hairspray.
Trivia: It just so happened that on a day when they needed a wide angle lens to get a shot, for the over head view of Hank shooting through the wall at Nash, that the Spider-Man movie was being filmed only a few blocks away. The director of Spider-Man let the director of National Security borrow their lens long enough to get that shot, which was on screen for only about a second. (01:04:55)