Writer and mountain guide Doug Robinson explains the sport of climbing, focusing on the climbing movement, with several leading climbers providing examples on challenging routes across the United States.
| Actor | Role |
|---|---|
 Doug RobinsonSelf | Self |
 John BacharSelf | Self |
 Todd SkinnerSelf | Self |
 Lynn HillSelf | Self |
 Stefan GlowaczSelf | Self |
 Jerry MoffattSelf | Self |
 Peter CroftSelf | Self |
| DDale BardSelf | Self |
| BBobbi BensmanSelf | Self |
| JJoe FaintSelf | Self |
| DDennis JensenSelf | Self |
| KKris NelsonSelf | Self |
| AAlex SchmausSelf | Self |
| MMichael StrassmanSelf | Self |