who does hafthor bjornsson play in game of thrones
Hafþór Júlíus Björnsson Hafþór Júlíus "Thor" Björnsson (Icelandic pronunciation: ​[ˈhafθour ˈjuːliʏs ˈpjœsːɔn]; born November 26, 1988) 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.
Alexander Siddig In 2015 appeared in HBO series Game of Thrones in season 5 and season 6 as Doran Martell, the ruling Prince of Dorne.[9]