Trivia: During the opening pan shot of Dirk's stateroom, the article on the wall with the pic of the Titanic is a subtle reference to the Dirk Pitt adventure "Raise the Titanic", which was made into a movie in 1980, 6 years before the real Titanic was found.
Trivia: In the scene where Wallace fetches the giant rabbit after it has come off the van, Gromit turns on the radio, and we hear a song called "Bright Eyes" from the film 'Watership Down' a film about rabbits.
Trivia: There is a scene when the lemurs are showing a book called "To Serve Lemur". This is similar to one of the classic episodes of The Twilight Zone, "To Serve Man" when the "aliens" allegedly come in peace but actually want to eat the people of earth.
Trivia: In the second youth hostel they visit, people are watching TV. The movie they are watching is Pulp Fiction, directed by Quentin Tarantino, who is one of the producers of this film.
Trivia: Principal Powers says, "I'm not Wonder Woman, you know." She is played by Lynda Carter, the original Wonder Woman for the TV show.
Trivia: In the first scene in Max's office, there is a calendar showing the date as June 16. Leopold Bloom is a character in James Joyce's Ulysses, which recounts the events of a single day. June 16th.
Trivia: When Michael Chiklis' wife, Michelle (who suffers from claustrophobia), first saw him in his The Thing outfit, she suffered a panic attack and had to be escorted off the set.
Trivia: The man who at the end announces that Jimmy Braddock is the winner is actually the Director's (Ron Howard) Father.
Trivia: A popular film poster shows Emily and Victor reaching their hands toward one another. Emily's bony hand is on her right and Victor's suit and vest are backwards (note its buttons). Some say it was for legal reasons - Johnny Depp's name was supposed to appear on the poster first because of a contract, and they wanted the characters underneath the corresponding star names, hence the issue. Others say it was simply because the picture looked better with the bride on the right side.
Trivia: When in the plane's bathroom, in an early take Cillian Murphy threw Rachel McAdams so hard against the bathroom wall that he knocked her unconscious. If you look at the shot used in the movie where he throws her against the wall, you can see his hand in her hair protecting her head so he didn't hurt her again. Not a mistake, as he's not trying to knock her out in the film, just rough her up, but worth looking for.
Trivia: Director John Singleton can be seen briefly as the goalie in the Thanksgiving hockey game. (00:19:35)
Trivia: During the opening credits, there are hidden messages within the names of the people who worked on the production, which are bolded out in red within the person's name. There are five of them, the words 'man', 'cat', 'see', 'red', and 'me'. All these have relevance to the plot.
Trivia: Not one cigarette is lit in this movie, or smoked.
Trivia: Australian comedian Mark Mitchell re-voiced Buck Cluck for the Australian release, but in an American accent.
Trivia: The original script by Neal Marshall Stevens had nothing to do with the Hellraiser mythos, but when it was decided that this would be a Hellraiser sequel, Tim Day made the character of Winter a descendant of the toymaker L'Merchant.