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)