Grab your owl, cat or toad – Warner Bros. Discovery is currently working on a brand new series based on the story of Harry Potter, which will be coming to Max, HBO’s exclusive streaming service.
But what do we know about this new magical show? We’ve done the digging, so you don’t have to. You can also read about how all the Harry Potter films are coming to Netflix.
Harry Potter HBO and Max series release date
HBO originally announced that it would release the Harry Potter series in 2026. That was according to Warner Bros. Discovery chief David Zaslav (via The Hollywood Reporter), who met with J.K. Rowling to discuss the show.
However, in September Casey Bloys, CEO and Chairman of HBO and Max, confirmed to Deadline that it was too early to give a confirmed release date, but it was looking likely that it would be late 2026 or even 2027.
Director Mark Mylod, who also worked on Succession, has started on the project, as have the writers. However, the filming date will depend on the ages of the actors – even though the original casting call mentioned an April 2025 date.
There will be over a decade of content, providing that the show is successfully renewed year on year.
Your Hogwarts letter is here.
Max has ordered the first ever #HarryPotter scripted television series, a faithful adaptation of the iconic books. #StreamOnMax pic.twitter.com/3CgEHLYhch
— Max (@StreamOnMax) April 12, 2023
Harry Potter Max series cast and crew
No cast members have been confirmed, but the main golden trio will likely be newcomers, just like Dan, Rupert and Emma were.
Casey Bloys said the following on casting: “We haven’t gone out to agencies. We have our own internal process where we’ve been thinking about people but we have not wanted to go out into the world. Now that the news is out there… we’ll start going out to the business.”
Since then, an open casting call has been put on social media for Harry, Ron and Hermione. They must be aged 9-11 in April 2025, and be based in the UK or Ireland.
Warner also claims that they are committed to inclusive, diverse casting… regardless of ethnicity, disability, race, sexual orientation, gender identity or any other basis protected by law.
Since then, Variety has reported that Mark Rylance is the frontrunner choice, according to sources familiar with the project. He’s currently starring as Thomas Cromwell in the BBC’s Wolf Hall: The Mirror and The Light period drama and has previously worked on Spielberg’s Bridge of Spies, which he won an Oscar for. He’s also starred in Dunkirk, The Trial of the Chicago 7 and Netflix’s Don’t Look Up.
Francesca Gardiner has been named as the showrunner and an executive producer. She has previously worked on Succession and His Dark Materials.
She’s not the only HBO heavyweight joining the show. Mark Mylod is onboard as an executive producer and director, a fellow alumni of Succession, with work also on Game of Thrones and The Last of Us.
We also know that J.K. Rowling is on board as an executive producer. This news has received lots of backlash due to the author’s transphobic views. She will be joined by Neil Blair and Ruth Kenley-Letts of Brontë Film and TV, and David Heyman of Heyday Films.
No former Harry Potter actors have been confirmed to return as of yet.
Harry Potter HBO Max plot
Warner Bros. Discovery has confirmed that the new series will dive deep into the original story covered in all seven books. The show will be told across ten years, so may be more than seven seasons long, defying the long-standing rumours of having one season per book.
Warner Bros. Discovery
Here is the official statement from Warner on the new show:
“The stories from each of Rowling’s Harry Potter books will become a decade-long series produced with the same epic craft, love and care this global franchise is known for. The series will feature a new cast to lead a new generation of fandom, full of the fantastic detail, much loved characters and dramatic locations that Harry Potter fans have loved for over twenty-five years.
“Each season will be authentic to the original books and bring Harry Potter and these incredible adventures to new audiences around the world, while the original, classic and beloved films will remain at the core of the franchise and available to watch globally.”
This means that fans could expect to see characters and plot points that weren’t explored in the films, such as Peeves, S.P.E.W and the Marauders backstory.
The casting call for the Golden Trio confirms that shooting will be in the UK, which was expected.
How to watch the new Harry Potter series
The show is being developed for Max, HBO’s streaming service that is available in the US, as well as Latin America and parts of Europe. In America, prices start from $9.99 per month for ad-supported content.
There is no Max here in the UK – most shows are syndicated on Sky and Now. However, by the time this show releases, Max may have expanded internationally. Either way, we would expect a UK release to be on the cards, considering the British heritage of this franchise.
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