| A | B |
|---|
| Chris McCandless | graduated from Emory University; donated his life savings in Oxfam |
| Alex Supertramp | Alias; dies in the wild of starvation, according to a medical examiner |
| Chris Fish | Tells Carine the news of her brother's death |
| Billie | Sews a sleeping bag Alex is found dead in; has an affair with Walt prior to the birth of Chris and Carine |
| Carine | Alex's sister; travels to pick up his ashes |
| John Waterman | Elfie looking man; wears "Elton John" sunglasses; assumed to have died by falling through a crevasse |
| Gene Rossellini | "Mayor of Hippie Cove"; stabs himself to death |
| Carl McCunn | nature photographer; forgets to arrange a plane to pick him up; shoots himself in the head instead of waiting to die of starvation |
| Ron Franz | Old man; skilled in leathermaking; asks Alex if he can adopt him |
| Wayne Westerberg | Receives postcards from Alex; operates and owns a grain elevator; arrested for selling black boxes |
| Stuckey | RV driver who takes Alex as far as he can go; wants Alex to call his parents |
| Tracey | A denizen of the slabs; has a crush on Alex |
| Jan Burres | Sells books at the flea market; Alex reminds her of her son |
| Jim Gallien | the last person to see Alex alive; gives Alex his rubber boots; plays himself in the film |
| Jon Krakauer | author of the book; climbed The Devil's Thumb when he was young |
