Pål Sverre Hagen as Roald Amundsen

Katherine Waterston as Bess Magids

Christian Rubeck as Leon Amundsen

Trond Espen Seim as Fridtjof Nansen

Mads Sjøgård Pettersen as Helmer Hanssen

Ole Christoffer Ertvaag as Hjalmar Riiser-Larsen

Ida Ursin-Holm as Kiss Bennett

Fridtjov Såheim as Hjalmar Johansen

Jonas Strand Gravli as Leif Dietrichson

Ruby Dagnall as Aline Amundsen

Herbert Nordrum as Kristian Presterud

Ted Otis as Lincoln Ellsworth

Kenneth Åkerland Berg as Sverre Hassel

Elg Elgesem as Olav Bjaaland

Eirik Evjen as Paul Knudsen

Luca Calvani as Umberto Nobile

Vojtěch Kotek as Karl Feucht

Přemysl Bureš as Robert Peary

Jiří Mach as Haakon VII.

Tereza Hladíková as Rosalie Amundsen (14 years old)

Adéla Anna Nováková as Rosalie Amundsen (3 years old)

Alžběta Holečková as Gustava Amundsen (7 years old)

Karolína Pouchová as Gustava Amundsen (18 years old)

Peder Sixten Sandberg as Nikolay Amundsen (8 years old)

Štěpán Matějíček as Nikolay Amundsen (19 years old)

Jamie Marshall as Engelsk Mann