| Person | Type | Job | Role(s) |
|---|---|---|---|
 Peter Mortimer | Crew | Directing | Director |
 Nick Rosen | Crew | Directing | Director |
 Eliott Taylor | Crew | Sound | Sound Re-Recording Mixer |
 Reinhold Messner | Cast | Actor | Self |
Peter Mortimer | Cast | Actor | Self |
 Will Gadd | Cast | Self | |
 Tommy Caldwell | Cast | Actor | Self (archive footage) |
 Ueli Steck | Cast | Actor | Self (archive footage) |
 Alex Honnold | Cast | Actor | Self |
 Jon Walsh | Cast | Actor | Self |
 Austin Siadak | Cast | Actor | Self |
 Dean Potter | Cast | Actor | Self (archive footage) |
Barry Blanchard | Cast | Self | |
Will Stanhope | Cast | Self | |
 Brette Harrington | Cast | Actress | Self |
 Marc-André Leclerc | Cast | Actor | Self |
Michelle Kuipers | Cast | Self | |
Ryan Johnson | Cast | Self (archive footage) | |
 Derek Hersey | Cast | Actor | Self (archive footage) |
| Person | Type | Job | Role(s) |
