Vanessa Kirby (Princess Margaret)

"I think there are two reasons. First is the magical, mythological quality to the history, of kings and queens and Henry VIII and the beheadings and Charles I and Queen Elizabeth. These are amazing characters. I was always fascinated with them growing up, what that status gives you as a human being, what that means. You do become a myth, in a way. And that's combined with the fact that they're the last public figures that we don't know anything about privately. You have no idea who they really are. The gates of Buckingham Palace are closed. And this series opens those gates, goes well beyond the deepest corridor of it and turns it inside out. You get to see these people play out their lives in a way that has never been seen before."

Related: The Story Behind the Most Moving Scene in The Crown

