who played sir gregor in game of thrones
Gregor Clegane In the HBO television adaptation, Clegane was originally portrayed by Australian actor Conan Stevens in season one, and by Welsh actor Ian Whyte in season two; Icelandic actor and strongman Hafþór Júlíus Björnsson took over the role from season four onwards.[2]
Jon Snow (character) Jon is portrayed by Kit Harington on the HBO series Game of Thrones. His storyline follows the character's plot arc from the novel series, though season 6 and season 7 of the TV adaptation continue on from the events of Martin's latest published installment. Harington was nominated for a Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series for the role in 2016. He was also nominated for a Saturn Award for Best Supporting Actor on Television in 2012, 2016 and 2017.