Hafþór was cast as Gregor 'The Mountain' Clegane for the fourth season of the HBO series Game of Thrones (2011) in August 2013. This was his first main acting role, and the third person to depict the character after Conan Stevens played the role in season 1 and Ian Whyte in season 2.

Hafþór was cast as Gregor 'The Mountain' Clegane for the fourth season of the HBO series Game of Thrones (2011) in August 2013. This was his first main acting role, and the third person to depict the character after Conan Stevens played the role in season 1 and Ian Whyte in season 2.

"Game of Thrones" fans can get their first look at Season 4's version of the character of The Mountain -- played by Hafthor Julius Bjornsson. The Icelandic actor posted a photo in costume via Instagram.

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Hafthor Julius Bjornsson and his wife Kelsey have shared some devastating news. On Friday (Nov. 10), the 34-year-old Game of Thrones actor and his wife announced the “unbearable loss” of their daughter after a stillbirth.

Game of Thrones (TV Series) Details. Full Cast and Crew; Release Dates; Official Sites; Company Credits; Filming & Production; Technical Specs

IMDb, the world's most popular and authoritative source for movie, TV and celebrity content.

IMDb, the world's most popular and authoritative source for movie, TV and celebrity content.

IMDb, the world's most popular and authoritative source for movie, TV and celebrity content.

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