Russell Crowe

John Nash

Jennifer Connelly

Alicia Nash

Ed Harris

William Parcher

Paul Bettany

Charles Herman

Christopher Plummer

Dr. Rosen

Adam Goldberg

Richard Sol

Josh Lucas

Martin Hansen

Anthony Rapp

Bender

Jason Gray-Stanford

Ainsley Neilson

Judd Hirsch

Helinger

Austin Pendleton

Thomas King

Vivien Cardone

Marcee

Jillie Simon

Bar Co-Ed

Tanya Clarke

Becky

Thomas F. Walsh

Captain

Roy Thinnes

Governor

Cheryl Howard

Harvard Administrator

Rance Howard

White-Haired Patient

Jane Jenkins

Code-Red Nurse

Josh Pais

Princeton Professor

Teagle F. Bougere

Young Professor

Michael Esper

John Nash Jr. (Young Man)

Amy Walz

Blond in Bar

Jennifer Weedon

Brunette

Matt Samson

Princeton Student

Stelio Savante

Technician

Scott Fernstrom

Trent Humphres (uncredited)

Ron Howard

Man at Governor's Ball (uncredited)

Bryce Dallas Howard

Harvard Student (uncredited)

Michael Arthur

Army Captain (uncredited)

Brian Smyj

Army Soldier (uncredited)

Michael C. Pierce

Radio Operator (uncredited)

Alex Lorre

Technician (uncredited)

John H. Tobin

Shadow Figure (uncredited)

James Whalen

Construction Chief (uncredited)

Nick Oddo

Noisy Construction Worker (uncredited)

Ty Copeman

Doctor (uncredited)

Reggie Austin

Pen Ceremony Professor (uncredited)

Robert Myers

Professor (uncredited)

Dave Sweeney

Campus Cop (uncredited)

Berly Ellis

Princeton Tutor '78 (uncredited)

Michael Abbott Jr.

Princeton Library Tutor (uncredited)

Liche Ariza

Princeton Student (uncredited)

Peter Bonilla

Princeton Student (uncredited)

Evan Hart

Princeton Student (uncredited)

Jason Horton

Princeton Student (uncredited)

Vivian Kalinov

Princeton Student (uncredited)

Dory Manzour

Princeton Student (uncredited)

Ryan O'Connor

Princeton Student (uncredited)

Deborah Rayne

Princeton Student (uncredited)

Douglas Taurel

Princeton Student (uncredited)

Jeffrey Christopher Todd

Princeton Student (uncredited)

Ryan Tygh

Princeton Math Grad (uncredited)

Erik Van Wyck

Princeton Student (uncredited)

Seth Gabel

Harvard Student (uncredited)

Monique Marissa Lukens

Harvard Student (uncredited)

Scott Addison Clay

MIT Student (uncredited)

Michael Fiore

MIT Student (uncredited)

Reed Penney

MIT Student (uncredited)

Fileena Bahris

Student (uncredited)

Sean Bennett

Student (uncredited)

Rich Bryant

Student (uncredited)

Jersey Carell

Student (uncredited)