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.
Known For
The Northman
Thórfinnr Tooth-Gnasher
Game of Thrones: The Last Watch
Self
Kickboxer: Retaliation
Mongkut
Game of Thrones The IMAX Experience
Gregor 'The Mountain' Clegane
Game of Thrones
Gregor 'The Mountain' Clegane
Finally Dawn
Thot
Pharaoh's War
Frank
Born Strong
Self
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Filmography
Acting (20)
Movies (18)
Masters of the Universe
2026 Upcomingas Goat Man
Jun 3
Finally Dawn
2024as Thot
Belle
2023
The Northman
2022as Thórfinnr Tooth-Gnasher
Eddie Hall: The Beast v The Mountain
2022as Thor "The Mountain"
Thor vs Eddie
2022as Himself
Eddie Hall: The Beast vs. The Mountain
2022as Self
Strongman: Beyond the Mountain
2019as Self
Pharaoh's War
2019as Frank
Game of Thrones: The Last Watch
2019as Self
Kickboxer: Retaliation
2018as Mongkut
Operation Ragnarok
2018as Big John - Icelandic Viking Squad
Fullsterkur
2018as Himself
Born Strong
2017as Self
Game of Thrones The IMAX Experience
2015as Gregor 'The Mountain' Clegane
NXT TakeOver: Unstoppable
2015as Himself - Audience Member (as Hafthor Bjornsson)
The Commissioner of Power
as Himself
Taming The Beast
as Self (archive footage)
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