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HBO’s Harry Potter Series Casts New Trio for Iconic Roles of Harry, Ron, and Hermione

May 27, 2025  ·
  Marvin Montanaro
Harry Potter Trio

The official Harry Potter trio, with Arabella Stanton as Hermione Granger, Dominic McLaughlin as the titular Harry Potter, and Alastair Stout as Ron Weasley - HBO

The wizarding world has found its new stars. HBO has officially announced the three young actors who will step into the roles of the core trio, Harry Potter, Hermione Granger, and Ron Weasley for its upcoming Harry Potter television series.

Dominic McLaughlin has been cast as Harry Potter, joined by Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. The casting marks a major milestone for the series, which held an open call auditioning over 30,000 hopefuls from around the world.

Harry Potter

Daniel Radcliffe as Harry Potter in Harry Potter and the Chamber of Secrets (2002), Warner Bros. Pictures

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In a joint statement, showrunner Francesca Gardiner and executive producer/director Mark Mylod praised the new trio.

“After an extraordinary search led by casting directors Lucy Bevan and Emily Brockmann, we are delighted to announce we have found our Harry, Hermione, and Ron,” they said. “The talent of these three unique actors is wonderful to behold, and we cannot wait for the world to witness their magic together onscreen.”

The Cast So Far

While the original film trilogy launched Daniel Radcliffe, Emma Watson, and Rupert Grint into global stardom, HBO’s new stars are largely fresh faces.

McLaughlin recently acted in Grow, a Sky comedy starring Nick Frost and Golda Rosheuvel.

Stanton starred as Matilda in the West End’s Matilda: The Musical from 2023 to 2024.

Stout’s role in Harry Potter marks his first major acting credit.

John Lithgow

John Lithgow sits for an interview – YouTube, GQ

They join an already high-profile supporting cast:

  • John Lithgow as Albus Dumbledore
  • Janet McTeer as Minerva McGonagall
  • Paapa Essiedu as Severus Snape
  • Nick Frost as Rubeus Hagrid
  • Luke Thallon as Quirinus Quirrell
  • Paul Whitehouse as Argus Filch

Behind the Scenes

The series is written and executive produced by Francesca Gardiner (His Dark Materials, Succession) and produced in association with Brontë Film and TV and Warner Bros. Television. Mark Mylod (Succession, Game of Thrones) is directing multiple episodes.

Harry Potter Hogwarts Castle at Universal Orlando

Hogwarts Castle in the Wizarding World of Harry Potter at Universal Orlando’s Islands of Adventure – Photo Credit: M. Montanaro

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Also attached to the project is J.K. Rowling, author of the original Harry Potter novels. Rowling is credited as an executive producer alongside Neil Blair, Ruth Kenley-Letts, and Harry Potter film producer David Heyman.

Controversy and Commentary

Rowling’s inclusion has sparked media scrutiny due to her outspoken political positions. When asked about this in a recent interview on The Town podcast, HBO content chief Casey Bloys responded.

“We already have a show on HBO from her called C.B. Strike that we do with the BBC. It’s pretty clear that those are her personal, political views. She’s entitled to them. Harry Potter is not secretly being infused with anything. And if you want to debate her, you can go on Twitter.”

J.K. Rowling

J.K. Rowling in Fantastic Beasts and Where To Find Them Behind the Scenes, Warner Bros. Pictures

One casting decision has already sparked intense online debate: Paapa Essiedu’s selection as Severus Snape. While Essiedu is an acclaimed British actor known for roles in I May Destroy You and Gangs of London, his casting drew backlash from fans who argue the character should resemble the description in the original books and Alan Rickman’s portrayal in the films.

Critics of the decision claim HBO prioritized modern identity-driven optics over accuracy to source material, further fueling concerns that the series may be influenced by current cultural trends.

Paapa Essiedu

Paapa Essiedu performing in Royal Shakespeare’s Hamlet – YouTube, LOWRY

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HBO has not commented on that particular backlash, but many online discussions remain divided—especially among longtime fans who view Snape as one of the franchise’s most complex and iconic characters.

The controversy echoes similar debates around legacy character reboots in recent years, placing even more scrutiny on HBO’s approach to honoring the world Rowling originally created. 

The casting of this new Harry Potter trio was surrounded by speculation as to whether they would adhere to the original descriptions of the characters from Rowling’s novels. The character of Hermione in particular was race swapped in the Broadway show Harry Potter and the Cursed Child. 

Production Begins Soon

Filming for the first season is set to begin this summer, with HBO eyeing a release sometime in 2026. The show is expected to adapt Rowling’s seven-book series across multiple seasons, aiming to offer a more faithful and detailed interpretation than the original films.

Snape

Alan Rickman as Severus Snape in Harry Potter and The Deathly Hallows Part 2 – YouTube, MovieClips

Whether the show will capture the magic of the books—or weather the scrutiny that comes with it—remains to be seen. But for now, the Sorting Hat has spoken.

What do you think about the Harry Potter trio casting? Sound off in the comments and let us know!

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Author: Marvin Montanaro
Marvin Montanaro is the Editor-in-Chief of That Park Place and a seasoned entertainment journalist with nearly two decades of experience across multiple digital media outlets and print publications. He joined That Park Place in 2024, bringing with him a passion for theme parks, pop culture, and film commentary. Based in Orlando, Florida, Marvin regularly visits Walt Disney World and Universal Orlando, offering firsthand reporting and analysis from the parks. He’s also the creative force behind the Tooney Town YouTube channels, where he appears as his satirical alter ego, Marvin the Movie Monster. Montanaro’s insights are rooted in years of real-world reporting and editorial leadership. He can be reached via email at mmontanaro@thatparkplace.com SOCIAL MEDIA: X: http://x.com/marvinmontanaro Instagram: https://www.instagram.com/marvinmontanaro Facebook: https://facebook.com/marvinmontanaro Email: mmontanaro@thatparkplace.com
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James Eadon

The TV show’s woke casting department have guaranteed backlash that will serve as intense NEGATIVE marketing.

harry nuckels

I still can’t believe people are going to watch this rehash over 10 years/seasons when the films can be viewed in a matter of hours; the lazy race swapping is just flies on the manure pile…

CleatusDefeatus

Remember when the made first Harry Potter? It was so tough. To get the fan expectations right, and reel in new, un indoctrinated fans? They pulled it off with incredible aplomb.

Now’s it’s 2024-5 and best these dei executives come up with is trying to recast what they’re predecessors were able to achieve by simply opening a carton of eggs and taking two to three out and replacing them with brown eggs.
How brave! How original! How pathetic!

Come up with your own siht dei execs. What “Harry Potter” will your speed bump in be remembered as?

This age can be seen as nothing but the age of the “inkers”, the tracers. The non-creatives that somehow found a way to put their personal stamp on it.
bob iger is a tracer. kathleen knnedy is a tracer. kevin feige is a tracer.