James Franco

Aron Ralston

Kate Mara

Kristi Moore

Amber Tamblyn

Megan McBride

Clémence Poésy

Rana

Lizzy Caplan

Sonja Ralston

Kate Burton

Aron's Mom

Treat Williams

Aron's Dad

Sean Bott

Aron's Friend

Fenton Quinn

Blue John

John Lawrence

Brion

Pieter Jan Brugge

Eric Meijer

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)

Stacey Ann Turner

Aron's Friend (uncredited)

Zachary Haycock

Reporter (uncredited)

Lonzo Liggins

Reporter (uncredited)

Samantha Marsden

Media Person / Basketball Game Fan (uncredited)

Johnny Ahn

Basketball Fan (uncredited)

Christopher K. Hagadone

Basketball Fan (uncredited)

Kelsie Mathews

Basketball Fan (uncredited)

Amy Savannah

Basketball Fan (uncredited)

Adam Colvin

Summer Party Man (uncredited)

Elizabeth Hales

Patron (uncredited)

Kelly Higgins

Fan (uncredited)

Aron Ralston

Self (uncredited)

Jessica Ralston

Self (uncredited)

Kyle Paul

Best Man (uncredited)

Priscilla Poland

Bridesmaid (uncredited)