James Franco character Aron Ralston
Kate Mara character Kristi Moore
Amber Tamblyn character Megan McBride
Clémence Poésy character Rana
Lizzy Caplan character Sonja Ralston
Kate Burton character Donna Ralston
Bailee Michelle Johnson character Sonja Age 10
Treat Williams character Larry Ralston
Sean Bott character Aaron's Friend
Koleman Stinger character Aaron Age 5
Parker Hadley character Aaron age 15
Rebecca C. Olson character Monique Meijer
Fenton Quinn character Blue John
John Lawrence character Brian
Pieter Jan Brugge character Eric Meijer
Norman Lehnert character Dan
Peter Joshua Hull character Boy on Sofa
Darin Southam character Zach
Terry S. Mercer character Helicopter Pilot
Elizabeth Hales character Patron (uncredited)
Brad Johnson character Friend of Aaron (uncredited)
Samantha Marsden character Media person / Basketball Game Fan (uncredited)
Kyle Paul character Best Man (uncredited)
Kelsie Mathews character Basketball Fan (uncredited)
Aron Ralston character Himself (uncredited)
Johnny Ahn character Basketball Fan (uncredited)
Robert Bear character Aron's Friend (uncredited)
Lonzo Liggins character Reporter (uncredited)
Priscilla Poland character Bridesmaid (uncredited)
