Hafþór Júlíus Björnsson

Nov 26, 1988 (36 years old) in Reykjavík, Iceland

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

poster

Game of Thrones

Gregor 'The Mountain' Clegane

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The Northman

Thórfinnr Tooth-Gnasher

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Kickboxer: Retaliation

Mongkut

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Game of Thrones The IMAX Experience

Gregor 'The Mountain' Clegane

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Operation Ragnarok

Big John - Icelandic Viking Squad

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Game of Thrones: The Last Watch

Self

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Masters of the Universe

Goat Man

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NXT TakeOver: Unstoppable

Himself - Audience Member (as Hafthor Bjornsson)

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Finally Dawn

Thot

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Pharaoh's War

Frank

Credits

The Commissioner of Power Future

Himself

★ NR
Masters of the Universe 2026

Goat Man

★ NR
Finally Dawn 2024

Thot

★ 5.9
Belle 2023

★ 7.5
Eddie Hall: The Beast vs. The Mountain 2022

Self

★ NR
The Northman 2022

Thórfinnr Tooth-Gnasher

★ 7
Thor vs Eddie 2022

Himself

★ NR
Eddie Hall: The Beast v The Mountain 2022

Thor "The Mountain"

★ NR
Pharaoh's War 2019

Frank

★ 6.5
Game of Thrones: The Last Watch 2019

Self

★ 7.1
Strongman: Beyond the Mountain 2019

Self

★ NR
Operation Ragnarok 2018

Big John - Icelandic Viking Squad

★ 5.6
Fullsterkur 2018

Himself

★ 7
Kickboxer: Retaliation 2018

Mongkut

★ 5.4
Born Strong 2017

Self

★ 7
NXT TakeOver: Unstoppable 2015

Himself - Audience Member (as Hafthor Bjornsson)

★ 8.4
Game of Thrones The IMAX Experience 2015

Gregor 'The Mountain' Clegane

★ 8.6
Game of Thrones 2011

Gregor 'The Mountain' Clegane

★ 8.5
The World's Strongest Man 1977

Competitor

★ NR