Hafþór Júlíus "Thor" Björnsson, is an Icelandic professional strongman, actor, and former professional basketball player, he plays which fictional character in the "A Song of Ice and Fire" series of fantasy novels by American author George R. R. Martin, and its television adaptation "Game of Thrones"?
Hafþór Júlíus Björnsson Hafþór Júlíus "Thor" Björnsson (] ; also Hafthor Julius Bjornsson, 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".
Oathbreaker (Game of Thrones) "Oathbreaker" is the third episode of the sixth season of HBO's fantasy television series "Game of Thrones", and the 53rd overall. It was written by series co-creators David Benioff and D. B. Weiss, and directed by Daniel Sackheim, his directorial debut for the series.