Chris McCandless
Billie McCandless
Walt McCandless
Carine McCandless / Additional Narrator
Rainey (as Brian Dierker)
Jan Burres
Wayne Westerberg
Tracy Tatro
Ron Franz
Jim Gallien
Graduation Reader (as James J. O'Neill)
Waitress
Building Manager
Kevin
Wayne's Crew #1
Wayne's Crew #2
Hutterite #1
Hutterite #2
Hutterite #3
Hutterite #4
Gail Borah
Bar Girl
Lee's Ferry Ranger
Mads
Sonja
Man in Phone Booth
Chris McCandless - age 4
Immigration Officer
Social Worker
Bull
Carine McCandless - age 11
Lori
Insane Cain
Announcer
Leonard Knight
Book Shopper #1
Book Shopper #2
Bear
Additional Narrator (voice)
Passerby (uncredited)
Dinner patron (uncredited)
The Beast (uncredited)
Graduate (uncredited)
Homeless Patron (uncredited)
Kissing Couple (uncredited)
Graduating Billie McCandless (uncredited)
Old Lady Tourist (uncredited)
Trail Guide (uncredited)
Big Wheel Boy (uncredited)
Atlanta Braves fan (uncredited)
Guy At Bar (uncredited)
Young Boy (voice) (uncredited)
Prom Date (uncredited)
Punk Rocker (uncredited)
Tourist (uncredited)
Parent (uncredited)
Bank Teller (uncredited)
Brown Bronco Driver (uncredited)