Emile Hirsch
Christopher McCandless / Alexander Supertramp
Acting
Marcia Gay Harden
Billie McCandless
Acting
William Hurt
Walt McCandless
Acting
Jena Malone
Carine McCandless / Additional Narration (voice)
Acting
Brian H. Dierker
Rainey
Acting
Catherine Keener
Jan Burres
Acting
Vince Vaughn
Wayne Westerberg
Acting
Kristen Stewart
Tracy Tatro
Acting
Hal Holbrook
Ronald "Ron" Franz
Acting
Thure Lindhardt
Mads
Acting
Signe Egholm Olsen
Sonja
Acting
Jim Gallien
Jim Gallien
Acting
James J. O'Neill
Graduation Reader
Acting
Malinda McCollum
Waitress
Acting
Paul Knauls
Building Manager
Acting
Zach Galifianakis
Kevin
Acting
Craig Mutsch
Wayne's Crew #1
Acting
Jim Beidler
Wayne's Crew #2
Acting
John Decker
Hutterite #1
Acting
John Hofer
Hutterite #2
Acting
Jerry Hofer
Hutterite #3
Acting
Terry Waldner
Hutterite #4
Acting
Robin Mathews
Gail Borah
Costume & Make-Up
Candice Campos
Bar Girl
Acting
Steven Wiig
Lee's Ferry Ranger
Acting
Floyd Wall
Man In Phone Booth
Acting
Bryce Walters
Christopher McCandless (age 4)
Acting
Jim Davis
Immigration Officer
Acting
Cheryl Francis Harrington
Social Worker
Acting
R. D. Call
Bull
Acting
Haley Ramm
Carine McCandless (age 11)
Acting
Merritt Wever
Lori
Acting
Everett 'Insane Wayne' Smith
Insane Cain
Acting
John Jabaley
Announcer
Acting
Leonard Knight
Leonard Knight
Acting
Matt Contreras
Book Shopper #1
Acting
Denise Sitton
Book Shopper #2
Acting
Sharon Olds
Additional Narration (voice)
Acting
Carine McCandless
Additional Narration (voice)
Acting
J. Nathan Simmons
Tourist (uncredited)
Acting
Parris Mosteller
Young Boy (voice) (uncredited)
Acting
Timothy Levine
Atlanta Braves fan (uncredited)
Acting
Haley Sweet
Bank Teller (uncredited)
Production
Aaron Wayne Hill
Big Wheel Boy (uncredited)
Acting
Bart the Bear II
Bear
Acting