Along with playing one of the main characters, Elisha Cuthbert was also an associate producer for the movie.
Camilla Belle played many of the piano pieces. "Piano Sonata #23 Opus 57, 'Appassionata', Allegro assai" is performed by Anthony Aubrey Tobin, and "Piano Sonata #14 Opus 27, No. 2 'Moonlight', Adagio" is performed by Carrie W. Friedman. Elisha Cuthbert performed the first few notes of "Piano Sonata #19 Opus 49, No. 1, Andante" with Camilla Belle before Anthony Aubrey Tobin finished.
An alternate scene of Dot witnessing Paul in bed with Nina through the gap in Nina's bedroom door, can be glimpsed in the trailer.
Style and themes of the movie compared by some critics' to director Sam Mendes' American Beauty (1999).
Jamie Babbit has stated in an interview that Thora Birch was originally chosen to play the role of Dot.