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