Chris Bonington

Self

Tom Hornbein

Self

Todd Burleson

Self

Eric Simonson

Self

Robert Schoene

Self

Laverne Woods

Self, Self (archive footage)

Edmund Hillary

Self

George H. W. Bush

Self

Leslies Buckland

Self

Peter Habeler

Self (archive footage)

Reinhold Messner

Self

Marty Hoey

Self

Phil Ershler

Self (archive footage)

Lou Whittaker

Self (archive footage)

Jim Wickwire

Self (archive footage)

Beck Weathers

Self (archive footage)

Peter Thomas

Narrator