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.

There’s a new Albus Dumbledore coming to the small screen. John Lithgow has confirmed that he will portray the Hogwarts headmaster in HBO’s upcoming “Harry Potter” series, which will begin filming this summer.

John Lithgow has played everything from Don Quixote in Man of La Mancha to an extraterrestrial patriarch in 3rd Rock from the Sun. Next he will be the powerful, wise, and compassionate professor Dumbledore in HBO’s Harry Potter TV show.

When asked about the offer to play Dumbledore, Lithgow described the decision as "not easy," recognizing it could define the final phase of his illustrious career.

HBO has landed one of the most accomplished American actors to play a central role in the upcoming “Harry Potter” reboot. John Lithgow, the winner of multiple Emmys and Tonys and a star of the Oscar contender “Conclave,

John Lithgow is opening up about about joining HBO's Harry Potter series where he will take on the role of Albus Dumbledore.

He's a wizard, Harry! John Lithgow is looking ahead to his role as Dumbledore in the upcoming Harry Potter series.The Latest Tech News, Delivered to Your Inbox

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.

EXCLUSIVE: Following recent reports, actor John Lithgow now confirms that he will play Albus Dumbledore in HBO's upcoming Harry Potter TV show.

John Lithgow discussed playing Dumbledore in the upcoming HBO TV series 'Harry Potter' with Collider's Steve Weintraub and Geoffrey Rush.