John Lithgow is in talks to play Albus Dumbledore in HBO’s upcoming adaptation of J.K. Rowling’s “Harry Potter” books, Variety has confirmed with sources. In the books, and in the film adaptations, Dumbledore is the caring but mysterious headmaster of Hogwarts School of Witchcraft and Wizardry.

All the news on HBO's streaming 'Harry Potter' TV series, including cast, release date, how to watch, development and whether J.K. Rowling will be involved.

John Lithgow is reportedly in talks to play Hogwarts Headmaster Albus Dumbledore in HBO's upcoming "Harry Potter" series adaptation.

Harry Potter star Jason Isaacs has revealed he knows some of the stars being cast in the new HBO series - and they’re “incredible actors”. Millions of fans worldwide are awaiting the new series, set to premiere in 2026, with casting news expected to arrive over the next few months.

John Lithgow is in final negotiations to portray Professor Albus Dumbledore in HBO's series adaptation of the hugely popular fantasy books.

HBO's series adaptation of "Harry Potter" may have found its Dumbledore. John Lithgow is close to closing a deal to portray the iconic character, according to multiple media reports. The series is expected to begin filming this summer in Leavesden.