Anne Meara: The woman in the employment office is Ben Stiller's mother.
Trainers spent several weeks training Crystal the Monkey to slap and bite Ben Stiller in the film.
The "Hunnish" language in the film is completely improvised.
Will Smith, after reading the script, did not want to accept the role, but his wife Jada Pinkett Smith convinced him to take the part.
Quentin Tarantino was originally offered the chance to direct, but turned it down.