Acting

Hafþór Júlíus Björnsson

Born 26 November 1988 · Reykjavík, Iceland · 37

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

Highlights

Game of Thrones2011 · Series · Gregor 'The Mountain' Clegane

The Northman2022 · Film · Thórfinnr Tooth-Gnasher

Masters of the Universe2026 · Film · Goat Man

Game of Thrones The IMAX Experience2015 · Film · Gregor 'The Mountain' Clegane

Kickboxer: Retaliation2018 · Film · Mongkut

Finally Dawn2024 · Film · Thot

Filmography

Movies

9 films

Masters of the Universe2026 · Film · Goat Man

Finally Dawn2024 · Film · Thot

Belle2023 · Film

The Northman2022 · Film · Thórfinnr Tooth-Gnasher

Eddie Hall: The Beast v The Mountain2022 · Film · Thor "The Mountain"

Pharaoh's War2019 · Film · Frank

Operation Ragnarok2018 · Film · Big John - Icelandic Viking Squad

Kickboxer: Retaliation2018 · Film · Mongkut

Game of Thrones The IMAX Experience2015 · Film · Gregor 'The Mountain' Clegane

Filmography

Series

2 shows

Game of Thrones2011 · Series · Gregor 'The Mountain' Clegane

The World's Strongest Man1977 · Series · Competitor