| 角色 | 饰演者 | 角色介绍 |
| Aron Ralston | 詹姆斯·弗兰科 | |
| Rana | 克蕾曼丝·波西 | |
| Kristi | 凯特·玛拉 | |
| Megan | 爱波·塔布琳 | |
| Aron's Friend (as Sean A. Bott) | Sean Bott | |
| Aron Age 5 | Koleman Stinger | |
| Aron's Dad | 特里特·威廉斯 | |
| Brion | John Lawrence | |
| Aron's Mom | 凯特·伯顿 | |
| Sonja Age 10 | Bailee Michelle Johnson | |
| Monique Meijer (as Rebecca Olson) | Rebecca C. Olson | |
| Aron Age 15 | Parker Hadley | |
| Blue John (as Fenton G. Quinn) | Fenton Quinn Jr. | |
| Sonja Ralston | 丽兹·卡潘 | |
| Boy on Sofa (as P.J. Hull) | Peter Joshua Hull | |
| Eric Meijer | Pieter Jan Brugge | |
| Andy Meijer | Jeffrey Wood | |
| Dan | Norman Lehnert | |
| Helicopter Pilot | Xmas Lutu | |
| Helicopter Pilot | Terry S. Mercer | |
| Zach | Darin Southam | |
| Aron's Friend | Robert Bear | |
| Aron's Friend | Tye Nelson | |
| Aron's Friend (uncredited) | Luke Drake | |
| Best Man (uncredited) | Kyle Paul | |
| Basketball Fan (uncredited) | Christopher K. Hagadone | |
| Friend of Aaron (uncredited) | Brad Johnson | |
| Reporter (uncredited) | Lonzo Liggins | |
| Bridesmaid | Priscilla Poland | |
| Patron (uncredited) | Elizabeth Hales | |
| Himself (uncredited) | 阿伦·罗斯顿 | |
| Herself (uncredited) | Jessica Ralston | |
| Fan (uncredited) | Kelly Higgins |
