Hafþór Júlíus Björnsson as Ser Gregor Clegane - Rebellion - A Game of Thrones series Fan Cast | myCast.io
Hafþór Júlíus Björnsson
Age: 37
male
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.
It is a prequel to the Game of Thrones television series that will explore the events of Robert Baratheon's Rebellion and the Greyjoy's Rebellion, 27 years before the events of the main series. A total of 10 seasons, with maybe 10 episodes each.
