American Psycho is a 2000 cult thriller film directed by Mary Harron based on Bret Easton Ellis's novel of the same name. Though predominantly a psycho thriller, the film also blends elements of horror, satire, and black comedy. It stars Christian Bale as Patrick Bateman, with Jared Leto, Josh Lucas, Justin Theroux, Bill Sage, Chloë Sevigny, Reese Witherspoon, Willem Dafoe, and Samantha Mathis. The film focuses on Wall Street yuppie Patrick Bateman (Bale), whose mental instability and blood lust lead him to serial killing. It debuted at the Sundance Film Festival on April 14, 2000. The film opens in a restaurant with wealthy Wall Street businessmen Patrick Bateman (Christian Bale), Timothy Bryce (Justin Theroux), David Van Patten (Bill Sage), and Craig McDermott (Josh Lucas). They discuss their envy for a successful associate named Paul Allen, who managed to obtain the Fischer account, before purchasing an expensive lunch. Late at night, the four go to a club, where Patrick reveals...