British actress Lena Headey was discovered as a teenager during a production at London's Royal National Theatre. Following years of mostly supporting parts, she drew attention for her leading performances in the film 300 and the TV series Terminator: The Sarah Connor Chronicles. Her star turn came when she was tapped for the role of Cersei Lannister in the HBO hit series Game of Thrones.

Credits include: X2: X-Men United, X-Men: The Last Stand, The Avengers, The Incredible Hulk and Last Action Hero

Credits include: Five Wives, Three Secretaries, and Me, Inside and Adamantine

Credits include: I'll Take Your Dead, American Hangman, Frasier, Mary Goes Round and No Sleep 'Til Christmas

Credits include: You Don't Know Jack, Unbelievable, Day Shift, Antebellum and Caddo Lake

Credits include: If Beale Street Could Talk, 21 Bridges, Race, Homecoming and Perfect Sisters

Credits include: The Creator, Companion, The Outsider, Alone and Sick

Credits include: The Witch, Adamantine and Dearly Departed

Credits include: Alphas, What We Left Behind: Looking Back at Deep Space Nine, Adamantine and Why Can't We Go on as Three?

Credits include: When You're Lost in the Darkness, Sight, Morning, Corbenic and Why Can't We Go on as Three?

Credits include: The Harmonium, Into the Fire, Rocky and Adamantine

Credits include: Adamantine