1. Il est surtout connu pour jouer le rôle de Tormund Giantsbane dans le Game of Thrones série fantastique HBO. Dans 2004, he graduated from the Russian Academy of Theatre Arts in Aarhus, Denmark.
2. Dans 2015, Wyndham Hotel Group signed Hivju to serve as “Wyndham Rewards Wyzard” for its launch of a new loyalty program.
3. He is the son of Norwegian actor Erik Hivju, and the cousin of French actress Isabelle Nanty.