Hafþór Júlíus Björnsson

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.

Acting
2026	Masters of the Universe	Actor	Goat Man	N/A N/A
2024	Finally Dawn	Actor	Thot	58 Average
2023	Belle	Actor		58 Average
2022	Eddie Hall: The Beast vs. The Mountain	Actor	Self	N/A N/A
2022	The Northman	Actor	Thórfinnr Tooth-Gnasher	69 Fair
2022	Thor vs Eddie	Actor	Himself	N/A N/A
2022	Eddie Hall: The Beast v The Mountain	Actor	Thor "The Mountain"	N/A N/A
2019	Pharaoh's War	Actor	Frank	59 Average
2019	Game of Thrones: The Last Watch	Actor	Self	63 Fair
2019	Strongman: Beyond the Mountain	Actor	Self	N/A N/A
2018	Operation Ragnarok	Actor	Big John - Icelandic Viking Squad	58 Average
2018	Fullsterkur	Actor	Himself	58 Average
2018	Kickboxer: Retaliation	Actor	Mongkut	56 Average
2017	Born Strong	Actor	Self	59 Average
2015	NXT TakeOver: Unstoppable	Actor	Himself - Audience Member (as Hafthor Bjornsson)	59 Average
2015	Game of Thrones The IMAX Experience	Actor	Gregor 'The Mountain' Clegane	60 Fair
	The Commissioner of Power	Actor	Himself	N/A N/A