K-PAX (2001)

"K-PAX" is a 2001 science fiction drama film directed by Iain Softley. The movie follows the story of a mysterious man claiming to be an extraterrestrial from the planet K-PAX. As he captivates the staff and patients at a psychiatric hospital with his insights and knowledge, a psychiatrist begins to question if the man is truly an alien or suffering from a psychological delusion. Kevin Spacey and Jeff Bridges star in the film.