Hafþór Júlíus Björnsson
- Known for
- Acting
- Gender
- Male
- Born
- November 26, 1988
- Age
- 37
- From
- 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.
