迈克尔·克拉克·邓肯

Michael Clarke Duncan

饰：Narrator

Shirley Ala

饰：Climber

Afshin Aminian

饰：Himself

Lauren Beeler

饰：Herself

Bridget Breseford

饰：Herself

Jayson Dilworth

饰：Climber

Paul Flores

饰：Climber

Emily Frevert

饰：Herself

Tim Geiss

饰：Head Guide

Ron Gray

饰：Himself

Wendy Grover

饰：Herself

Mudi Hemed

饰：Head Guide

肯特·巴瑟特

Kent Bassett

饰：Self

杰夫·多伦

Jeff Dolen

饰：Self

Dennis Kuhl

饰：Self

Mitchell McIntire

饰：Self

布伦特·米切尔

Brent Mitchell

饰：Self