Lena Headey. Actress: 300. Lena Headey is a Bermudian-British actress. Headey is best known for her role as "Cersei Lannister" in Game of Thrones: Das Lied von Eis und Feuer (2011) (2011-2019) and Brothers Grimm (2005), Besessen (2002), and Was vom Tage übrig blieb (1993). Headey stars as "Queen Gorgo", a heroic Spartan woman in the period film, 300 (2006), by director Zack Snyder. Headey was born in Hamilton, Bermuda, to...