นักแสดง
Martin Luther King Jr.
Self (archive footage)
Norman Dyhrenfurth
Self
Jim Whittaker
Self
Steve House
Self
Fidel Castro
Self (archive footage)
Jon Krakauer
Self (narrator)
Tenzing Norgay
Self (archive footage)
Dave Hahn
Self
Jake Norton
Self
John F. Kennedy
Self (archive footage)
Tom Hornbein
Self
Doug Scott
Self
Ed Viesturs
Self
Edmund Hillary
Self (archive footage)
Reinhold Messner
Self