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PROT is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.



(novel), (screenplay)
2,635 ( 363)
3 nominations. See more awards »



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Cast overview, first billed only:
Melanee Murray ...
John Toles-Bey ...


PROT is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.

Plot Summary | Plot Synopsis


Is he crazy?...or is he light years ahead of us? See more »


Drama | Mystery | Sci-Fi

Motion Picture Rating (MPAA)

Rated PG-13 for a sequence of violent images, and brief language and sensuality | See all certifications »

Parents Guide:






Release Date:

26 October 2001 (USA)  »

Also Known As:

K-PAX - L'homme qui vient de loin  »

Box Office


$68,000,000 (estimated)

Opening Weekend:

$17,215,275 (USA) (26 October 2001)


$50,173,190 (USA) (21 December 2001)

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:

| |



Aspect Ratio:

2.35 : 1
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Did You Know?


The movie is inspired by an Argentinian movie called "Hombre mirando al sudeste". See more »


When Prot visits the doctor's home his sunglasses are alternate between plain and silvered between shots. See more »


Prot: You know what I've learned about your planet? There's enough life on Earth to fill 50 planets. Plants, animals, people, fungi, viruses, all jostling to find their place, bouncing off each other, feeding off each other. Connected.
Dr. Mark Powell: You don't have that kind of connection on K-PAX?
Prot: Nobody wants, nobody needs. On K-PAX, when I'm gone, nobody misses me. There would be no reason to. And yet I sense that when I leave here... I will be missed. Yes. Strange feeling.
See more »

Crazy Credits

After the credits we see stars and then we see Dr. Mark Powell through the lens of his telescope as he is looking for the star of K-PAX. He walks in his yard and the movie ends. See more »


Referenced in American Dad!: Daddy Queerest (2009) See more »


Rocket Man
Written by Elton John and Bernie Taupin
Performed by Elton John
Courtesy of Mercury Records Ltd. (London)
Under license from Universal Music Enterprises
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

Inspired storytelling
12 May 2002 | by (Atlanta, GA) – See all my reviews

K-Pax is a very intriguing film. Is Prot (Kevin Spacey) really an alien, or is he a mentally deranged human who just thinks he is an alien? That is the question that Dr. Powell (Jeff Bridges) must answer before the self proclaimed deadline that Prot sets for his departure from Earth.

As the film unfolds and more evidence is uncovered, both theories grow in credibility. His ability to map from memory the area of the galaxy where his home planet is located indicates a knowledge that no human could possibly possess. Yet the hypnosis sessions lead us to a real person with a very real and traumatic life, filled with devastating events that could have caused such a personality aberration. The ending seems to give the answer, but is just ambiguous enough to make you wonder if you really know. Normally, I don't like lady or tiger endings, but this one is tantalizing. I have my own theory that fits all the clues, but I don't know that my theory is any more correct than anyone else's.

Director Iain Softley (`Wings of the Dove') spins the tale delicately, with great skill. This is a rare example of the director staying in the shadows and inducing outstanding acting performances out of talented actors to let the story dominate. This is not to say that the directing is technically inferior, because it is excellent. However, Softley remains unobtrusive, delivering great power through the use of subtlety, a pleasant change from today's vanguard directors who visually grab and shake the viewer as if to scream, `Look how brilliant I am!'

Kevin Spacey once again delivers a marvelous performance as Prot. This is a part that is extraordinarily demanding, requiring Spacey to render the cool and logical Prot one minute, and then switch gears to conjure his tormented alter ego under hypnosis the next. Spacey is so believable as both alien and human, it makes the viewer's task that much more difficult. Jeff Bridges is also terrific as the relentless psychologist who becomes obsessed with learning the truth about Prot.

This is inspired storytelling for the thoughtful viewer. I rated it a 9/10. If you must have closure at the end of a film, this movie will be very frustrating. However, if you like a fascinating mystery that keeps you thinking long after the credits, you won't be disappointed.

221 of 235 people found this review helpful.  Was this review helpful to you?

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