VIDEO : Natalie Dormer on the Feminist Definition, On-Screen Nudity, and the 'GoT' Routine She Dread

As Margaery Tyrell on Game of Thrones, Natalie Dormer oozed shrewd ambition. She's also quite the force off-screen?yet in real life, she's driving her energy toward a less conniving, more charitable concern than Margaery ever would: fighting sexual and gender-based violence.