Trivia: Brodie says "Would you like a chocolate covered pretzel?" He said the same thing in Mallrats.
Trivia: Kathleen Marshall, who plays the role of Charlotte, is the director Garry Marshall's daughter.
Trivia: Several of the named knights were, in fact, real, though many of them are from different time periods. Ulrich von Lichtenstein was a knight and author who was said to have invented the concept of chivalry and courtly love. Piers Courtenay was a descendant of Edward I, born in the 15th Century. Sir Thomas Colville, Edward III's disguise, was a knight from the 13th Century.
Trivia: When Joe Dirt finds out where he lives in Louisiana, there is a guy (Framer Fran) that speaks very strangely. He is played by Blake Clarke who played the same farmer character in The Waterboy.
Trivia: The voice behind Roz, the number 1 of the Child Detection Agency and the undercover secretary, is actually a man.
Trivia: The prom night band is punk-rock group Good Charlotte.
Trivia: Jimmy's dog is named Goddard. American physicist and inventor Robert Hutchings Goddard (1882-1945) developed the first liquid propelled rocket engine in 1926.
Trivia: The publishing house where Bridget works is called "Pemberley Press". For those who haven't read or seen "Pride And Prejudice", this is also the name of Mr. Darcy's estate.
Trivia: In the widely released version of Osmosis Jones in the background of the opening chase scene, a remix of Foreigner's 'Hot Blooded' plays, but in the VHS release it plays Electric Avenue by Eddy Grant.
Trivia: In the campus garden scene, look behind to the stands. They don't have the most ordinary pictures on them.
Trivia: Tom Green made history by becoming the first performer to receive a worst actor Raspberry award in person (for "Freddy Got Fingered"). These awards are seen as a humorous alternative to the Oscars, and award the worst film, actor, etc. The film won five "Razzies."
Trivia: Rusty Ryan is eating in nearly every scene he is in - on the DVD, there is a commentary by Brad Pitt (Rusty), where he says that during filming, he realized that since his character is so busy, he would have to eat whenever he got a chance, so he and the director decided to have him eating in every scene.
Trivia: The character, Ivor Novello, played by Jeremy Northam, was a real-life actor and composer. Six of his songs were included in Gosford Park's soundtrack. His film, "The Lodger" that Lady Constance mentions as being a flop, was a real movie directed by Alfred Hitchcock, based on Jack the Ripper.