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.
Cast the perfect actors for the most Memorable Characters (No Rules, you can also pick actors who are dead or pick old actors). But Here's The Catch, You Can Add Anyone You Want, After All It Is The Perfect Crossover.
