6. Lena Headey

Lena Headey is a British actress who is best known for her role as Queen Cersei Lannister in HBO’s hit fantasy series Game of Thrones since 2011 and Queen Gorgo, a heroic Spartan woman in the period film 300. She also appeared in The Brothers Grimm, Possession, and Terminator: The Sarah Connor Chronicle and The Remains of the Day.