 Chris Boningtonself, narrator | self, narrator |
 Doug Scottself | self |
| JJohn Barryself | self |
 Peter Boardmanself (archive footage) | self (archive footage) |
 Joe Taskerself (archive footage) | self (archive footage) |
 Don Whillansself (archive footage) | self (archive footage) |
 Reinhold Messnerself (archive footage) | self (archive footage) |
 Peter Habelerself (archive footage) | self (archive footage) |
| MMick Burkeself (archive footage) | self (archive footage) |
| GGeorge Finchself (archive footage) | self (archive footage) |
| PPaul Braithwaiteself (archive footage) | self (archive footage) |
 Pierre Mazeaudself (archive footage) | self (archive footage) |
| NNick Estcourtself (archive footage) | self (archive footage) |
| AAdrian Burgessself (archive footage) | self (archive footage) |
| PPertemba Sherpaself (archive footage) | self (archive footage) |
| RRebecca Stephensrelated character | related character |
 Harsh Vardhan Bahugunarelated character | related character |
| TTom Hornbeinrelated character | related character |
| JJim Whittakerrelated character | related character |
 Norman Dyhrenfurthrelated character | related character |
 Andrew Irvinerelated character | related character |
 Edmund Hillaryrelated character | related character |
| JJohn Huntrelated character | related character |
| RRaymond Lambertrelated character | related character |
 George Malloryrelate character | relate character |
| TTenzing Norgayrelated character | related character |
| JJohn Noelrelated character | related character |
