Retreat is an 2011 British independent psychological thriller film and the directoral debut of former film editor Carl Tibbets. The film stars Cillian Murphy, Jamie Bell, and Thandie Newton as three people isolated from the rest of the world on a remote island, who are told they are survivors of a fatal airborne disease that is sweeping over the entire world. However, their induced isolation may be the result of a lie, and it may be that they are being held at the whim of a madman. The film has had mainly positive reviews.