K-PAX is a 2001 American science fiction mystery film based on Gene Brewer's 1995 novel of the same name. It was directed by Iain Softley, starring Kevin Spacey, Jeff Bridges, Mary McCormack, and Alfre Woodard. The film tells the story of a psychiatric patient who claims to be an alien from the planet K-PAX. During his treatment, the patient demonstrates an outlook on life that ultimately proves inspirational for his fellow patients and especially for his psychiatrist.