Where the Truth Lies is a 2005 thriller film written and directed by Atom Egoyan and starring Kevin Bacon, Colin Firth, and Alison Lohman. It is based on Rupert Holmes's 2003 novel of the same name.

Atom Egoyan is a Canadian filmmaker. Emerging in the 1980s as part of the Toronto New Wave, he made his career breakthrough with Exotica (1994), a film set in a strip club. Egoyan's most critically acclaimed film is the drama The Sweet Hereafter (1997), for which he received two Academy Award nominations. His biggest commercial success is the erotic thriller Chloe (2009).