John Lithgow has said that even though he’s “behind everybody” when it comes to keeping up with the Harry Potter series, he doesn’t believe playing the Hogwarts headmaster will be “that hard”.
Almost a month ago, Lithgow confirmed that he had taken on the role of beloved headmaster Albus Dumbledore in the forthcoming HBO adaptation of the Harry Potter novels, saying: “It was not an easy decision because it's going to define me for the last chapter of my life, I'm afraid.