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.
A bedridden boy's grandfather reads him the story of a farmboy-turned-pirate who encounters numerous obstacles, enemies and allies in his quest to be reunited with his true love.
