K-PAX

Lance E. Nichols

David Patel

Clebert Ford

Homeless Man

Peter Maloney

Duncan Flynn

David Patrick Kelly

Howie

Frank Collison

Screaming Man (uncredited)

Tracy Vilar

Maria

Julie Sands

Ward Patient

Clarke Peters

Homeless Veteran

Peter Kohn

-

Jeff Bridges

Dr. Mark Powell

Norman Alden

Babbling Man

Kevin Spacey

Prot

Lola Pashalinski

Russian Woman

Scott Lincoln

Walker

Alfre Woodard

Claudia Villars

Mary Mara

Abby

Peter Gerety

Sal

Karen Golden

-

Saul Williams

Ernie

Coco Leigh

Ward Patient

Kelly Connell

Walter Fleen

Vincent Laresca

Navarro

Mary McCormack

Rachel Powell

Paul Linke

Stuart Hessler

Scott Robertson

-

Mark Christopher Lawrence

Simms

Ajay Naidu

Dr. Chakaraborty

Vince Cupone

Thug

William Lucking

Sheriff

Olga Merediz

Transit Officer

Brian Howe

Steve Becker

John Toles-Bey

Russell

Curt Clendenin

Hospital Patient (uncredited)

Iain Softley

-

Aaron Paul

Michael Powell - Age 21

Celia Weston

Mrs. Archer

Joseph Steven

Ward Patient

Joe Holt

Transit Officer

Greg Lewis

Dominic McAllister

Conchata Ferrell

Betty McAllister

Kimberly Scott

Joyce Trexler

Mark Alkofer

-

Rawle D. Lewis

Security Guard

Moet Meira

Jennifer (uncredited)

Pat Jankiewicz

Ward Patient

Lisa Cohen

Ward Patient

Brandon de Paul

Josh - Age 10

Kateri Walker

Sara Porter

Ted Hollis

Ward Doctor (uncredited)

Erik LaRay Harvey

Security Guard

Anne Carroll

Ward Patient

Melanee Murray

Bess

Tess McCarthy

Natalie Powell - Age 6

Natasha Dorfhuber

Gabby Powell - Age 9

Christopher Jason Brown

Danny Trexler

Katya Abelski

Rebecca Porter

Zofia Borucka

Woman on Train

Tony Rhune

Thug

Clete Francis

Ward Patient

Valerie Giocondo

Ward Patient

Rafael Real

Ward Patient

Gene Smith

Ward Patient

Paulo Pascoal

Thief (Uncredited)

Randy Springer

Lab Tech (uncredited)