Hafþór Júlíus Björnsson as Solomon Grundy - Batman: The Long Halloween 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.
During the holidays, a brutal series of murders strike fear into the city of Gotham. Batman sets out to pursue the serial killer with the support of police officer James Gordon and district attorney Harvey Dent.
