| Credited cast: |
 | Jan Messutat | - | Robert Falcon Scott |
 | Mike Hoffmann | - | Roald Amundsen |
| Rest of cast listed alphabetically: |
 | Roald Amundsen | - | Himself (archive footage) |
| Tor Bomann-Larsen | - | Himself - Amundsen-Biographer |
| David Crane | - | Himself - Scott-Biographer |
 | Ranulph Fiennes | - | Himself - Scott-Biographer |
| Arved Fuchs | - | Himself |
| Roland Huntford | - | Himself - Scott-Biographer |
| Anne Christine Jacobsen | - | Herself - Amundsen's Niece |
| Geir O. Kløver | - | Himself - Director Fram Museum (as Geir Kløver) |
| Anne Melgård | - | Herself - Library of Norway |
| Reinhold Messner | - | Himself |
| Falcon Scott | - | Himself - Scott's Grandson |
| Robert Falcon Scott | - | Himself (archive footage) |
| Bjarni Snæbjörnsson | | |
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