- Ben Stiller continued to shoot the film, losing 15 pounds, but by the time the film was finished, he had already made up the 15 pounds .
- When the film started, Ben Stiller and Reese Evans had only known each other for 4 to 5 days, but the two characters in the film were close friends who had crossed for more than 10 years, so the two of them went to learn to drive together and established a kind of Trust .
- A small forest appears in the film, which is actually the site of an art exhibition. The crew had to finish filming the scene in one night, because an art exhibition will be held here the next day.
- The Musso & Frank Grill hotel appeared in the movie as a real scene for the first time. In the hotel scene, apart from the protagonist being a member of the crew, the rest, such as the waiter in the hotel and the receptionist in the lobby, are all staff in the hotel. Some hotel guests also appeared in the film.
- The producer of the film marked the location of the film on a map of Los Angeles and made it into a Los Angeles guide map.
Greenberg behind the scenes gags
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Florence Marr: I was thinking this morning that I've been out of college now for as long as I was in, and nobody cares if I get up in the morning.
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Roger Greenberg: Um... can the pool overflow?
Phillip Greenberg: Yes, the pool can fucking overflow! What the fuck's going on over there?
Roger Greenberg: It's raining.
Phillip Greenberg: Have a great vacation. Thank you. Take care of my house and dog. Oh, is he dead? Sorry.
Roger Greenberg: You know what? I asked you a question.
Phillip Greenberg: "Can the pool overflow?" Fuck you!