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 group of martial arts and combat masters are invited to a fighting contest, "Dead or Alive", on an isolated island within an advanced complex, with the ultimate prize of $10 million.
