<P> Whyte portrayed one of the "Engineer" aliens seen in Ridley Scott's 2012 science fiction film, Prometheus . </P> <P> In 2010, Whyte played Sheikh Sulieman in Clash of the Titans . </P> <P> He has portrayed various characters requiring a physically tall actor in the HBO series Game of Thrones, including White Walkers in season 1 and season 2 and a giant in the opening episode of season 3 . For these roles he was unrecognisable under make - up and computer effects . In season 2, he also had a speaking role as Ser Gregor Clegane . In season 5 and season 6, Whyte portrayed the giant Wun Wun . </P> <P> Whyte was born in Bangor, Gwynedd, Wales . He is 7 ft 1 in (216 cm) tall . Whyte is married to Amy, a business development manager for the Gordon Brown Law Firm . They have one son . </P>

Who played wun wun in game of thrones
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