Hafþór Júlíus Björnsson as Hephaestus - Heroes Unite: The Final Confrontation: Prelude (Miniseries) 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.
Heroes Unite: The Final Confrontation: Prelude (Miniseries)
Before they are truly ready to defeat Aku, the remaining heroes who attempted to defeat him, must first locate other people who managed to escape the influence of Plasmius’ mind controlling machine.
