- Olly Allen
- climbing support: Alps
- Kim Ballard
- production financing
- Christine Barnes
- climbing support: Alps
- Christine Baxter-Jones
- production team
- Hattie Bowering
- final delivery and release supervisor
- Lesley Brown
- production team
- Eduardo Shuán Caldúa
- climbing support: Peru
- Melorie Chilton
- legal services for darlow smithson productions
- Hugo Milla Chinchay
- climbing support: Peru
- Dave Cuthbertson
- key mountain guide (as Dave 'Cubby' Cuthbertson) / safety team (as Dave 'Cubby' Cuthbertson)
- Lucy Daniels
- production team
- Regine Dura
- production team
- John Falkiner
- key mountain guide / safety team
- Michael Fleisher
- business affairs: Channel 4 International
- Néstor Morales Flores
- trekking leader: Peru
- Laura Franses
- physical production coordinator: FilmFour
- Paul Gardner
- archive researcher
- Rory Gregory
- key mountain guide / safety team
- Paul Grindey
- business affairs: FilmFour
- Brian Hall
- head mountain guide
- Nion Hazell
- production coordinator
- Andrew Hildebrand
- business affairs: FilmFour
- Vince Holden
- head of production finance: film council
- Marcelino Milla Huarac
- climbing support: Peru
- Vicky Jones
- business affairs: Channel 4
- Jim Kerr
- climbing support: Alps
- François Marsigny
- climbing support: Alps
- Deborah McLaughlan
- production team
- Jesús Montero
- production team
- Paul Moores
- key mountain guide / safety team
- Pelayo Milla Morales
- climbing support: Peru
- Fiona Morham
- head of physical production: film council
- Eloy Salazar Obregón
- climbing support: Peru
- Rodolfo Reyes Oropeza
- climbing support: Peru
- Emma Parsons
- production team
- Luke Randolph
- completion guarantor: for International Film Guarantors
- Jim Reekie
- production accountant (as James Reekie)
- Martin Rhodes
- unit doctor (as Dr. Martin Rhodes)
- Tim Rhodes
- climbing support: Alps
- Faye Richardson
- production team
- Ollie Ryall
- climbing support: Alps
- Joe Simpson
- additional reconstruction / consultant
- Sally Steele
- film publicist
- Gillian Strachan
- production team
- Ulla Streib
- head of production: Darlow Smithson Productions
- Juan Sánchez
- climbing support: Peru
- Gareth Tansey
- title designer
- Harry Taylor
- key mountain guide / safety team
- Jorge Clemente Vargas
- climbing support: Peru
- Howard Watkins
- title designer
- John Whittle
- key mountain guide / safety team
- Marc Wolff
- aerial coordinator
- Simon Yates
- additional reconstruction
- Michael J. Harker
- completion bond company representative (uncredited)
