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