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.
Potential TV series. In Ancient Greece, Zeus has declared war on humanity, tearing the Olympians apart. When a mortal warrior from Crete is called on by the gods, he must overthrow Zeus and lead the Olympians into a new age.