The character Dr. Joseph Lewis, is in reference to the director of Le calvaire de Julia Ross (1945), Joseph H. Lewis.
One of the film's co-writers, Mark Malone, also has a small role as Katie McGovern's brother, Roland.
Mary Steenburgen's character (of an actress hired to replace another actress) Julie Rose - is in reference to the title character of the film (Le calvaire de Julia Ross (1945)), upon which this film's based.
Malcolm McDowell: The celebrity whose photograph Dr. Lewis is "autographing" to add to his display. At the time of filming, McDowell was married to star Mary Steenburgen.