K-PAX Cast Guide and Where to Watch
A TMDB-backed guide to K-PAX, including cast, release facts, genres and watch-provider notes.

Here's the full cast of K-PAX (2001) — who plays who — plus where to watch and the essential facts about this movie. Change the way you look at the world.
Where to watch
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Cast
Jeff Bridges as Dr. Mark Powell; Kevin Spacey as Prot; Mary McCormack as Rachel Powell; Alfre Woodard as Claudia Villars; David Patrick Kelly as Howie; Saul Williams as Ernie; Peter Gerety as Sal; Celia Weston as Mrs. Archer
About K-PAX
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.
More like K-PAX
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch K-PAX?
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of K-PAX?
Jeff Bridges as Dr. Mark Powell; Kevin Spacey as Prot; Mary McCormack as Rachel Powell; Alfre Woodard as Claudia Villars; David Patrick Kelly as Howie; Saul Williams as Ernie; Peter Gerety as Sal; Celia Weston as Mrs. Archer
Is this K-PAX guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



