Hafþór Júlíus Björnsson is an Icelandic professional strongman, actor, and former professional basketball player.
He plays Ser Gregor "The Mountain" Clegane in the HBO series Game of Thrones.
Historical-fantasy series telling the story of Reinmar of Bielawa and set during the Hussite Wars. The series is based on the novels of Polish fantasy writer Andrzej Sapkowski.
