The untold true story set in the winter of 1925 that takes you across the treacherous terrain of the Alaskan tundra for an exhilarating and uplifting adventure that will test the strength, courage and determination of one man, Leonhard Seppala, and his lead sled dog, Togo.
| Actor | Role |
|---|---|
 Willem DafoeLeonhard Seppala | Leonhard Seppala |
 Julianne NicholsonConstance Seppala | Constance Seppala |
 Christopher HeyerdahlGeorge Maynard | George Maynard |
 Richard DormerDr. Curtis Welch | Dr. Curtis Welch |
 Adrien DorvalBill Clark | Bill Clark |
| MMadeline WickinsSally Burdett | Sally Burdett |
 Michael GreyeyesAmituk | Amituk |
 Nive NielsenAtiqtalik | Atiqtalik |
 Nikolai NikolaeffDan Murphy | Dan Murphy |
 Thorbjørn HarrCharlie Olsen | Charlie Olsen |
| CCatherine McGregorSarah Foley | Sarah Foley |
 Michael McElhattonJafet Lindeberg | Jafet Lindeberg |
 Michael GastonJoe Dexter | Joe Dexter |
 Zahn McClarnonTulimak | Tulimak |
 Brandon OakesHenry Ivanoff | Henry Ivanoff |
 Jason SchneiderVictor Anderson | Victor Anderson |