K-PAX

Jeff Bridges

Dr. Mark Powell

Kevin Spacey

Prot

Mary McCormack

Rachel Powell

Alfre Woodard

Claudia Villars

David Patrick Kelly

Howie

Saul Williams

Ernie

Peter Gerety

Sal

Celia Weston

Mrs. Archer

Ajay Naidu

Dr. Chakaraborty

Tracy Vilar

Maria