VIDEO : Christopher Nolan Didn't Know How Famous Harry Styles is

Christopher Nolan had no idea how famous Harry Styles was when he cast him in 'Dunkirk'. The 46-year-old director knew Harry was in boyband One Direction when he auditioned for a part in the upcoming movie but admitted he was unaware of exactly how big of a star Harry is before he started working with him. I mean, my daughter had talked about him. He said: "She was just more excited than anything I've ever done because I was going to be acting with Harry Styles.