詹姆斯·弗兰科

James Franco

饰：阿伦·罗斯顿 Aron Ralston

爱波·塔布琳

Amber Tamblyn

饰：Megan

克蕾曼丝·波西

Clémence Poésy

饰：Rana

凯特·玛拉

Kate Mara

饰：Kristi

特里特·威廉斯

Treat Williams

饰：Aron's Dad

凯特·伯顿

Kate Burton

饰：Aron's Mom

丽兹·卡潘

Lizzy Caplan

饰：Sonja Ralston

肖恩·博特

Sean Bott

饰：Aron's Friend (as Sean A. Bott)

Koleman Stinger

Koleman Stinger

饰：Aron Age 5

John Lawrence

John Lawrence

饰：Brion

Bailee Michelle Johnson

Bailee Michelle Johnson

饰：Sonja Age 10

Rebecca C. Olson

Rebecca C. Olson

饰：Monique Meijer (as Rebecca Olson)

Parker Hadley

饰：Aron Age 15

Fenton Quinn Jr.

Fenton Quinn Jr.

饰：Blue John (as Fenton G. Quinn)

彼得·约书亚·赫尔

Peter Joshua Hull

饰：Boy on Sofa (as P.J. Hull)

Jeffrey Wood

Jeffrey Wood

饰：Andy Meijer

Norman Lehnert

Norman Lehnert

饰：Dan

Xmas Lutu

Xmas Lutu

饰：Helicopter Pilot

Terry S. Mercer

Terry S. Mercer

饰：Helicopter Pilot

Robert Bear

Robert Bear

饰：Aron's Friend

Tye Nelson

Tye Nelson

饰：Aron's Friend

Luke Drake

Luke Drake

饰：Aron's Friend (uncredited)

凯·保罗

Kyle Paul

饰：Best Man (uncredited)

Priscilla Poland

饰：Bridesmaid

Elizabeth Hales

Elizabeth Hales

饰：Patron (uncredited)

阿龙·罗尔斯顿

Aron Ralston

饰：Himself (uncredited)

Jessica Ralston

Jessica Ralston

饰：Herself (uncredited)

Kelly Higgins

Kelly Higgins

饰：Fan (uncredited)

Kelsie Mathews

Kelsie Mathews

饰：Basketball Fan (uncredited)

Lonzo Liggins

饰：Reporter (uncredited)

Christopher K. Hagadone

Christopher K. Hagadone

饰：Basketball Fan (uncredited)

达林·绍瑟姆

Darin Southam

饰：Zach

皮特·扬·布拉戈

Pieter Jan Brugge

饰：Eric Meijer

Brad Johnson

饰：艾伦的朋友（客串）

阿伦·罗斯顿

饰：他自己（客串）