Hafþór Júlíus Björnsson
Biography
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.
Gallery
Known For
Acting History
2026
Masters of the Universe as Goat Man
2024Finally Dawn as Thot
2023Belle
2022Eddie Hall: The Beast vs. The Mountain as Self
2022The Northman as Thórfinnr Tooth-Gnasher
2022Eddie Hall: The Beast v The Mountain as Thor "The Mountain"
2022Thor vs Eddie as Himself
2019Pharaoh's War as Frank
2019Game of Thrones: The Last Watch as Self
2019Strongman: Beyond the Mountain as Self
2018Operation Ragnarok as Big John - Icelandic Viking Squad
2018Fullsterkur as Himself
2018Kickboxer: Retaliation as Mongkut
2017Born Strong as Self
2015NXT TakeOver: Unstoppable as Himself - Audience Member (as Hafthor Bjornsson)
2015Game of Thrones The IMAX Experience as Gregor 'The Mountain' Clegane
2011Game of Thrones as Gregor 'The Mountain' Clegane
1977The World's Strongest Man as Competitor
—The Commissioner of Power as Himself