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.

HBO's Harry Potter TV reboot is set for a 2027 release with fresh casting and a decade-long vision. Get all the latest updates on cast, timeline, and more!

Unlike other book-to-film adaptations such as The Hunger Games taking the prequel route with new releases, the upcoming series "will be a faithful adaptation of the beloved Harry Potter book series," per an official press release from Warner Bros. Discovery.

EXCLUSIVE: HBO is closing in on two more main cast members for its high-profile series adaptation of the hugely popular Harry Potter fantasy books. Oscar- and Emmy-nominated actress Janet McTeer is in negotiations to play Professor Minerva McGonagall,

And there’s more! A new cast will fill the old roles made famous by the likes of Daniel Radcliffe, Rupert Grint, Emma Watson, and Co. There aren’t many details about the series available just yet, but here’s a quick breakdown of what we do know so far.

The Harry Potter HBO series hasn’t even finished casting yet and it’s already turned toxic. The big elephant in the room when it comes to this show was always the extreme transphobia displayed by author J.

The other week, we learned that American actor John Lithgow would play Albus Dumbledore in HBO's upcoming Harry Potter TV show, the first major casting announcement to come out of this series. Now, Deadline has the scoop on a couple more actors circling major roles.

Recent reports have confirmed that John Lithgow will play Dumbledore in the new HBO Harry Potter series. Related: ‘Harry Potter’ Star Emma Watson Defends Her Label Of ‘Self-