Emile Hirsch

Christopher McCandless / Alexander Supertramp

Marcia Gay Harden

Billie McCandless

William Hurt

Walt McCandless

Jena Malone

Carine McCandless / Additional Narration (voice)

Brian H. Dierker

Rainey

Catherine Keener

Jan Burres

Vince Vaughn

Wayne Westerberg

Kristen Stewart

Tracy Tatro

Hal Holbrook

Ronald "Ron" Franz

Thure Lindhardt

Mads

Signe Egholm Olsen

Sonja

Jim Gallien

Jim Gallien

James J. O'Neill

Graduation Reader

Malinda McCollum

Waitress

Paul Knauls

Building Manager

Zach Galifianakis

Kevin

Craig Mutsch

Wayne's Crew #1

Jim Beidler

Wayne's Crew #2

John Decker

Hutterite #1

John Hofer

Hutterite #2

Jerry Hofer

Hutterite #3

Terry Waldner

Hutterite #4

Robin Mathews

Gail Borah

Candice Campos

Bar Girl

Steven Wiig

Lee's Ferry Ranger

Floyd Wall

Man In Phone Booth

Bryce Walters

Christopher McCandless (age 4)

Jim Davis

Immigration Officer

Cheryl Francis Harrington

Social Worker

R. D. Call

Bull

Haley Ramm

Carine McCandless (age 11)

Merritt Wever

Lori

Everett 'Insane Wayne' Smith

Insane Cain

John Jabaley

Announcer

Leonard Knight

Leonard Knight

Matt Contreras

Book Shopper #1

Denise Sitton

Book Shopper #2

Sharon Olds

Additional Narration (voice)

Carine McCandless

Additional Narration (voice)

J. Nathan Simmons

Tourist (uncredited)

Parris Mosteller

Young Boy (voice) (uncredited)

Timothy Levine

Atlanta Braves fan (uncredited)

Haley Sweet

Bank Teller (uncredited)

Aaron Wayne Hill

Big Wheel Boy (uncredited)

Bart the Bear II

Bear

Sean Penn

Director

Sean Penn

Screenplay

Éric Gautier

Director of Photography

Jay Cassidy

Editor

Mary Claire Hannan

Costume Design

Michael Brook

Original Music Composer

Eddie Vedder

Music

Kaki King

Music

Gary Archer

Prosthetics

Derek R. Hill

Production Design

Domenic Silvestri

Art Direction

John Richardson

Art Direction

Christopher Neely

Set Decoration

Danielle Berman

Set Decoration

Francine Maisler

Casting

Lauren Grey

Casting Associate

Kathy Driscoll-Mohler

Casting Associate

Jacqueline Aronson

Costume Supervisor

David Franco

Music Supervisor

Chuck Zlotnick

Still Photographer

Jacques Jouffret

Steadicam Operator

Michael Minkler

Sound Re-Recording Mixer

Lora Hirschberg

Sound Re-Recording Mixer

Martín Hernández

Sound Designer

Martín Hernández

Supervising Sound Editor

Christopher Barnett

Sound Effects Editor

Arturo Zarate

Sound Effects Editor

Lyn Matsuda Norton

Script Supervisor

Luca Kouimelis

Script Supervisor

Sterfon Demings

Hair Department Head

Robin Mathews

Makeup Department Head

Haley Sweet

Production Supervisor

David Blocker

Executive Producer

Frank Hildebrand

Executive Producer

John J. Kelly

Executive Producer

Brinton Bryan

Second Unit

John R. Saunders

Assistant Director

David Webb

Assistant Director

Doug Seus

Stunt Coordinator

Jack Nicholson

Thanks

Chris Regan

Color Timer

Donald Frazee

Special Effects Supervisor

Rod Park

Visual Effects Producer

Jonathan Bell

Thanks

Cole S. McKay

Stunts

Mychael Bates

Property Master

Gary J. Wayton

Stunts

Tricia Pifer

Visual Effects Producer

Nerses Gezalyan

Sound Mixer

Edward Tise

Sound Mixer

Amy Fegely

Set Costumer

Critter Pierce

Set Costumer

Mike Smithson

Makeup Artist

Jon Krakauer

Book

Eddie Vedder

Songs

Sean Penn

Producer

Art Linson

Producer

Bill Pohlad

Producer

Jon Krakauer

Thanks

Walt McCandless

Thanks

Billie McCandless

Thanks

Carine McCandless

Thanks

Steve Hart

Stunts