James Franco
Aron Ralston
Amber Tamblyn
Megan McBride
Kate Mara
Kristi Moore
Clémence Poésy
Rana
Kate Burton
Aron's Mom
Lizzy Caplan
Sonja Ralston
Sean Bott
Aron's Friend
Treat Williams
Aron's Dad
Bailee Michelle Johnson
Sonja Age 10
Fenton Quinn
Blue John
Pieter Jan Brugge
Eric Meijer
Norman Lehnert
Dan
Darin Southam
Zach
Elizabeth Hales
Patron (uncredited)
Brad Johnson
Aron's Friend (uncredited)
Lonzo Liggins
Reporter (uncredited)
Kyle Paul
Best Man (uncredited)
Aron Ralston
Self (uncredited)
Stacey Ann Turner
Aron's Friend (uncredited)
Koleman Stinger
Aron Age 5
John Lawrence
Brian
Parker Hadley
Aron Age 15
Peter Joshua Hull
Boy on Sofa
Rebecca C. Olson
Monique Meijer
Jeffrey Wood
Andy Meijer
Xmas Lutu
Helicopter Co-Pilot
Terry S. Mercer
Helicopter Pilot
Johnny Ahn
Basketball Fan (uncredited)
Robert Bear
Aron's Friend (uncredited)
Adam Colvin
Summer Party Man (uncredited)
Luke Drake
Aron's Friend (uncredited)
Christopher K. Hagadone
Basketball Fan (uncredited)
Zachary Haycock
Reporter (uncredited)
Kelly Higgins
Fan (uncredited)
Samantha Marsden
Media Person / Basketball Game Fan (uncredited)
Kelsie Mathews
Basketball Fan (uncredited)
Priscilla Poland
Bridesmaid (uncredited)
Jessica Ralston
Self (uncredited)
Amy Savannah
Basketball Fan (uncredited)