Welcome to our Lena Headey page. Lena Headey is a 40 year old British actress who has appeared in several great movies including 300 and Dredd. But of course currently we know the beautiful Lena to be the evil and manipulative Cersei Lannister of House Lannister. Lena’s character Cersei is daughter to Tywin Lannister and twin to Jamie Lannister which they have an bastard child Joffrey Baratheon out of a incestuous relationship. Cersei played by Lena is also the older sister to her younger brother Tyrion Lannister. Another cool thing to know about Lena is that she has dark black hair and many tattoos but thanks to hair and makeup on Game of Thrones she is transformed into a whole different person.