Trivia: Ben Stiller got the idea of Tropic Thunder during filming of the 1987 war movie Empire of the Sun.
Trivia: The number Emily gives Will is 212-664-7665. Unlike the usual fake "555" number often used in movies, this is a real number that's also used in Scott Pilgrim vs. The World and The Adjustment Bureau. Universal Studios acquired it precisely to save having to use a fake number in their films.
Trivia: The costume designer wanted Brad Pitt's suit to look really bad, but to her surprise, she discovered that no matter how cheap or tacky the suit was that he tried on was... he looked good in every single one. She eventually discovered the secret to finally making him look bad was to purposely put him in a suit that had the wrong measurements for his body, and give him gaudy wool ties.
Trivia: Choke author Chuck Palahnuik can be glimpsed in the final scene sitting next to Sam Rockwell on the plane.
Trivia: In the scene where Add gets to the beach and goes to the payphone, there's a "j.k. living" sticker on the payphone glass, which is the name of the production company that is owned by Mcconaughey. (Stands for Just Keep Living.)
Trivia: Jason's surname "Tripitikas" is a wry reference to the Chinese epic "Journey of the West", on which the film is partially based. In it, the Monkey King is freed from a stone prison by the monk Tripitika.
Trivia: Danny Wallace, on whose book the film was very-loosely based, appears in the Hen Night party scene near the end of the film, standing at the bar just behind Jim Carrey.
Trivia: Although the movie title is "27 Dresses", one of Jane's bridesmaid outfits is actually a man's black suit and tie (pant suit), and not a dress at all. This is shown at the end during Jane and Kevin's wedding. So really the movie should be called "26 Dresses and One Suit."
Trivia: Despite her prominent billing, Dianne Wiest does not appear until an hour and twenty minutes into the film, and has less than ten minutes of screen time.
Trivia: Some details are taken from Jason Segel's life. For example, the naked breakup is based on a similar incident and he was working on a puppet-based Dracula rock-opera.
Trivia: Arnetia Walker plays Martin Lawrence's mother in the movie, even though in real life she's only 9 years older than him.
Trivia: Though Simone speaks English with an adopted French accent, Stana Katic actually can speak French, and it is one of five foreign languages in which she's fluent.
Trivia: Following the release of the film, Mickey Rourke was scheduled to compete in a match at Wrestlemania 25 against Chris Jericho. The two even appeared on "Larry King Live" to sell the feud. Rourke later dropped out of the match, and ended up being a special guest at the event, and "punching out" Jericho after his match. According to Jericho, Rourke pulled out of the match because his agents felt associating with WWE would ruin his chances of winning an Oscar for his performance in the film.
Trivia: When Mauricio and Sarah receive the dress for baptizing a future daughter, they ponder over raising future children as Jewish or Catholics. Mauricio then says, "Who ever heard of Jewish Puerto Ricans?" John Leguizamo, who plays Mauricio, has children who are half Jewish.
Trivia: Penelope Cruz won the Academy Award for Best Supporting Actress for her role as Maria Elena, even though she only has 15 minutes of screen time.
Trivia: Ryan Reynolds and Emily Mortimer play the parents of Elisabeth Harnois in this film. In real life, Reynolds is only three years older than Harnois, and Mortimer is only eight years older than her.
Trivia: Christian Bale was originally cast as George W. Bush, but left the production before filming started. Josh Brolin was cast at the last minute instead.