Uncut version Killer collector’s edition American Psycho is a 2000 black comedy horror film directed by Mary Harron. Written by Harron and Guinevere Turner, it is based on Bret Easton Ellis's 1991 novel American Psycho. Set in the late 1980s, the film stars Christian Bale as Patrick Bateman, a yuppie New York City investment banker who is gradually revealed to be a serial killer preying on homeless people, work colleagues, prostitutes and finally random members of the public. The film also stars Willem Dafoe, Jared Leto, Josh Lucas, Chloë Sevigny, Samantha Mathis, Cara Seymour, Justin Theroux, and Reese Witherspoon. Bin#Q