The Emmy-winning actor, hot off a SAG Award for "Conclave," said playing the Hogwarts headmaster would "define me for the last chapter of my life."

It seems John Lithgow spilled the (Bertie Bott's Every Flavor) beans about his involvement in HBO's in-the-works 'Harry Potter' series. 'A total surprise to me,' he says.

John Lithgow confirmed in a new interview with ScreenRant that he will be playing Albus Dumbledore in HBO’s “Harry Potter” television series. Variety reported earlier this month that Lithgow was eyeing the role.