James Franco

Aron Ralston

Kate Mara

Kristi Moore

Tessa Ross

Executive Producer

Pieter Jan Brugge

Eric Meijer

Treat Williams

Aron's Dad

Danny Boyle

Director

François Ivernel

Executive Producer

Cameron McCracken

Executive Producer

Lizzy Caplan

Sonja Ralston

Kate Burton

Aron's Mom

Amber Tamblyn

Megan McBride

John J. Kelly

Executive Producer

Clémence Poésy

Rana

Sean Bott

Aron's Friend

Fenton Quinn

Blue John

John Lawrence

Brion

Rebecca C. Olson

Monique Meijer

Jeffrey Wood

Andy Meijer

Norman Lehnert

Dan

Darin Southam

Zach

Koleman Stinger

Aron Age 5

Bailee Michelle Johnson

Sonja Age 10

Parker Hadley

Aron Age 15

Peter Joshua Hull

Boy on Sofa

Terry S. Mercer

Helicopter Pilot

Xmas Lutu

Helicopter Co-Pilot

Luke Drake

Aron's Friend (uncredited)

Robert Bear

Aron's Friend (uncredited)

Brad Johnson

Aron's Friend (uncredited)

Bernard Bellew

Executive Producer

Lisa Maria Falcone

Executive Producer