Was originally a play starring Paul Rudd and Rachel Weisz, which played in London in the summer of 2001.

Paul Rudd lost 25 pounds for the film.

The movie contains the original starring cast from the play: Paul Rudd, Gretchen Mol, Frederick Weller and Rachel Weisz.

In the original New York stage production of this play, Frederick Weller was nominated for a Lucille Lortel Award for his performance.

Is the first film directed by Neil LaBute to not star Aaron Eckhart.

The play premiered in London, England at the Almedia Theatre on 24 May 2001.