John Lithgow will be picking up a wand and heading to Hogwarts. The Conclave actor, 79, has confirmed that he will be playing Headmaster Albus Dumbledore in the HBO's Harry Potter television series, which will reboot the iconic franchise.

HBO is moving full steam ahead with its new Harry Potter TV show and finally seems to have at least one casting: John Lithgow will be the new Professor Dumbledore. It’s been reported that HBO has been on the lookout for a new Dumbledore for some time now,

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.