Hafþór Júlíus Björnsson
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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
Credits
Masters of the Universe (2026)
as Goat Man
The Northman (2022)
as Thórfinnr Tooth-Gnasher
Game of Thrones: The Last Watch (2019)
as Self
Kickboxer: Retaliation (2018)
as Mongkut
Game of Thrones The IMAX Experience (2015)
as Gregor 'The Mountain' Clegane
Finally Dawn (2024)
as Thot
Pharaoh's War (2019)
as Frank
Taming the Beast (2026)
as Self
Eddie: Strongman (2015)
as Self
Operation Ragnarok (2018)
as Big John - Icelandic Viking Squad
The Commissioner of Power (2021)
as Himself
Strongman: Beyond the Mountain (2019)
as Self
Born Strong (2017)
as Self
NXT TakeOver: Unstoppable (2015)
as Himself - Audience Member (as Hafthor Bjornsson)
Eddie Hall: The Beast vs. The Mountain (2022)
as Self
Belle (2023)
Actor
Eddie Hall: The Beast v The Mountain (2022)
as Thor "The Mountain"
Thor vs Eddie (2022)
as Himself
Fullsterkur (2018)
as Himself