This is Colleen Haskell's debut as an actress after being one of the final contenders in the first season of Survivor (2000). Rob Schneider said that working with Haskell was one of the unexpected pleasures of making the film.
In June, 2001 Newsweek revealed that print ads for at least four movies released by Columbia Pictures, including this one and A Knight's Tale (2001) contained glowing comments from a film reviewer who did not exist. The fake critic, "David Manning," was actually a friend by the same name in Connecticut who had agreed to let his Columbia ad-marketing friend use his name. Manning was misrepresented as a reviewer for a newspaper in the small Connecticut town of Ridgefield.
The newspaper clipping of Marvin's father features the face of Rob Schneiders actual father, Marvin (to whom the movie is dedicated) photo-shopped onto a police officer. Also, the car in which the lead character has his road accident was originally owned by Marvin Schneider (although several duplicates were also used in the crash sequence) .
In both Audio Commentaries on the 'Uncut' version of the DVD, it is mentioned that actor Harry Dean Stanton played the part of a hunter staking out the Man-Beast in the forest but nearly all of the footage ended up on the cutting room floor. He can still be seen, uncredited, being attacked in once scene after Marvin asks Rianna to tie him up.