The Killing of a Sacred Deer is a 2017 psychological horror-thriller film directed by Yorgos Lanthimos, from a screenplay by Lanthimos and Efthymis Filippou. The film follows a surgeon faced with a terrible decision as his family succumbs to inexplicable suffering. It stars Colin Farrell and Nicole Kidman. It was selected to compete for the Palme d’Or in the main competition section at the 2017 Cannes Film Festival. At Cannes, Lanthimos and Filippou won the Best Screenplay award. The film is scheduled to be released in the United States on October 20, 2017, by A24, before being released in the United Kingdom and Ireland on November 17, 2017, by Curzon Artificial Eye.