출연진
Peter Facinelli
Erik Weihenmayer
Jack Knight
Erik (12-16 years)
Dawson Dunbar
Erik (3 years)
Sarah Manninen
Ellie
브루스 캠벨
Ed Weihenmayer
Kate Greenhouse
Ellen Weihenmayer
Robert Moloney
Sam
Saxon DeCocq
Jeff Evans
Aaron Poole
Chris Morris
Shaun Johnston
PV
Mingma Chiri Sherpa
Ang Pasang (credited as Mingma Sherpa)
Marty Antonini
Mike O'Donnell
Kurtis Sanheim
Mark
Sean Anthony Olsen
Eddi (credited as Sean Olsen)
Joseph Allan Sutherland
Mark (young) (credited as Joseph Sutherland)
Joel Smith
Eddie (young)
Steve Smith
Kip
Jonathan Love
Kevin Cherilla
Brooklynn Proulx
Emma (6 years) (credited as Brooklyn Proulx)
Taheer Nurani
Sikh Boy (Nanak)
Sarah Hyslop
Tiffany