Christopher McCandless / Alexander Supertramp

Emile Hirsch

Acting

Billie McCandless

Marcia Gay Harden

Acting

Walt McCandless

William Hurt

Acting

Carine McCandless / Additional Narration (voice)

Jena Malone

Acting

Rainey

Brian H. Dierker

Acting

Jan Burres

Catherine Keener

Acting

Wayne Westerberg

Vince Vaughn

Acting

Tracy Tatro

Kristen Stewart

Acting

Ronald "Ron" Franz

Hal Holbrook

Acting

Mads

Thure Lindhardt

Acting

Sonja

Signe Egholm Olsen

Acting

Jim Gallien

Jim Gallien

Acting

Graduation Reader

James J. O'Neill

Acting

Waitress

Malinda McCollum

Acting

Building Manager

Paul Knauls

Acting

Kevin

Zach Galifianakis

Acting

Wayne's Crew #1

Craig Mutsch

Acting

Wayne's Crew #2

Jim Beidler

Acting

Hutterite #1

John Decker

Acting

Hutterite #2

John Hofer

Acting

Hutterite #3

Jerry Hofer

Acting

Hutterite #4

Terry Waldner

Acting

Gail Borah

Robin Mathews

Costume & Make-Up

Bar Girl

Candice Campos

Acting

Lee's Ferry Ranger

Steven Wiig

Acting

Man In Phone Booth

Floyd Wall

Acting

Christopher McCandless (age 4)

Bryce Walters

Acting

Immigration Officer

Jim Davis

Acting

Social Worker

Cheryl Francis Harrington

Acting

Bull

R. D. Call

Acting

Carine McCandless (age 11)

Haley Ramm

Acting

Lori

Merritt Wever

Acting

Insane Cain

Everett 'Insane Wayne' Smith

Acting

Announcer

John Jabaley

Acting

Leonard Knight

Leonard Knight

Acting

Book Shopper #1

Matt Contreras

Acting

Book Shopper #2

Denise Sitton

Acting

Additional Narration (voice)

Sharon Olds

Acting

Additional Narration (voice)

Carine McCandless

Acting

Tourist (uncredited)

J. Nathan Simmons

Acting

Young Boy (voice) (uncredited)

Parris Mosteller

Acting

Atlanta Braves fan (uncredited)

Timothy Levine

Acting

Bank Teller (uncredited)

Haley Sweet

Production

Big Wheel Boy (uncredited)

Aaron Wayne Hill

Acting

Bear

Bart the Bear II

Acting