sentences:  Whyte portrayed one of the "Engineer" aliens seen in Ridley Scott's 2012 science fiction film, "Prometheus".In 2010, Whyte played Sheikh Sulieman in Clash of the Titans.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.