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

Melanee Murray

Bess

John Toles-Bey

Russell

Kimberly Scott

Joyce Trexler

Conchata Ferrell

Betty McAllister

Vincent Laresca

Navarro

Mark Christopher Lawrence

Simms

Brian Howe

Steve Becker

Mary Mara

Abby

Tess McCarthy

Natalie Powell - Age 6

Natasha Dorfhuber

Gabby Powell - Age 9

Brandon de Paul

Josh - Age 10

Aaron Paul

Michael Powell - Age 21

William Lucking

Sheriff

Kelly Connell

Walter Fleen

Peter Maloney

Duncan Flynn

Lance E. Nichols

David Patel

Paul Linke

Stuart Hessler

Christopher Jason Brown

Danny Trexler

Greg Lewis

Dominic McAllister

Clarke Peters

Homeless Veteran

Olga Merediz

Transit Officer

Joe Holt

Transit Officer

Lola Pashalinski

Russian Woman

Kateri Walker

Sara Porter

Katya Abelski

Rebecca Porter

Scott Lincoln

Walker

Clebert Ford

Homeless Man

Norman Alden

Babbling Man

Rawle D. Lewis

Security Guard

Erik LaRay Harvey

Security Guard

Zofia Borucka

Woman on Train

Tony Rhune

Thug

Vince Cupone

Thug

Anne Carroll

Ward Patient

Lisa Cohen

Ward Patient

Clete Francis

Ward Patient

Valerie Giocondo

Ward Patient

Pat Jankiewicz

Ward Patient

Joseph Steven

Ward Patient

Coco Leigh

Ward Patient

Rafael Real

Ward Patient

Julie Sands

Ward Patient

Gene Smith

Ward Patient

Curt Clendenin

Hospital Patient (uncredited)

Frank Collison

Screaming Man (uncredited)

Moet Meira

Jennifer (uncredited)

Paulo Pascoal

Thief (Uncredited)

Mark Alkofer

Subway Commuter (uncredited)

Ted Hollis

Ward Doctor (uncredited)

Randy Springer

Lab Tech (uncredited)