American fantasy drama based on novels by George RR Martin. Set in the fictional Seven Kingdoms of Westeros, it chronicles the violent struggles of the realm's noble families for control of the Iron Throne. The families also face threats from the icy North and the eastern continent of Essos. The ensemble cast includes Tyrion Lannister (Peter Dinklage), Daenerys Targaryen (Emilia Clarke), Cersei Lannister (Lena Headey), Tywin Lannister (Charles Dance) and Petyr Baelish (Aidan Gillen). "Game of Thrones" premiered on Sky Atlantic in 2011.