John Lithgow delightfully confirmed his involvement in the upcoming Harry Potter TV show during an interview. While speaking with Screen Rant, he recalled just how he found out he landed the gig, before sharing his feelings about signing on.

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 is opening up about about joining HBO’s Harry Potter series where he will take on the role of Albus Dumbledore. Deadline broke the news that Lithgow was posed to portray the headmaster of the wizarding school Hogwarts in the TV series adaptation of J.