The leather-coat guy that picks up Christina Applegate in the bar is her then husband, now ex-husband, Johnathon Schaech.
The three leading actresses co-wrote "The Penis Song," but the trio's performance of the song was edited out of the final cut (US only).
Both Christina Applegate and Selma Blair have been diagnosed with multiple sclerosis.
Cameron Diaz was attached to the project from the start but production had to wait while she completed first Gangs of New York (2002) and then Vanilla Sky (2001).
Nancy M. Pimental: The writer of the movie, as the "vomit girl" in the club when Peter's brother is inviting Christina back to the hotel for a party.