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  1. Entertainment
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  4. Harry Potter

Harry Potter TV series release date, cast, trailer and more news

Features
By Emma-Jane Betts published 25 March 2026

Here's your complete guide to everything that you need to know about the upcoming HBO Max show, The Harry Potter TV series

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Dominic McLaughlin as Harry Potter in HBO's Harry Potter TV show
(Image credit: HBO)
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Calling all Wizarding World fans, we've just got a new proper look at the Harry Potter TV series, and that means that our big return to Hogwarts is just around the corner.

HBO has been developing a new TV show, adapting the adventures of "The Boy Who Lived" aka Harry Potter, since 2021. And now, after years of waiting, it looks like season 1's production is on track and will be with us this year via the streaming service HBO Max. However, there is a lot of love for the original books and all the Harry Potter movies from the 2000s, so you may be wondering about all the details surrounding the adaptation, and if it's worth tuning into.

Well, that's where this guide is here to help. Below, I've cast Alohomora to unlock all the juicy information that you need to know about the upcoming show. From the Harry Potter TV series cast, release window, story changes and more, you won't find a better place for all your magical TV-watching needs, folks.

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Harry Potter TV series release date

Harry walking to a match in the trailer for the Harry Potter series.

(Image credit: HBO Max)

Thanks to the recent trailer, we now know that the Harry Potter TV series will be released on Christmas this year, on December 25, 2026.

This new 2026 date is a big shock since originally, HBO was aiming for a 2027 window, which came directly from Casey Bloys (Chairman and CEO of HBO and HBO Max Content) during a past interview with Deadline. "Well, we've been saying 2027. I would say, to narrow it down to some extent, early 2027," he explained. "And now you’re going to ask, does that mean January, February, March, April, that we're not ready to say. I'll say early 2027."

We won't complain about the quicker date, though. Hopefully, no delays happen, and the 2026 release holds firm!

Harry Potter TV series story

Dominic McLaughlin as Harry Potter in HBO's Harry Potter TV show

(Image credit: HBO)

The Harry Potter TV series is taking the same approach as the movies did in the 2000s, adapting the events of the Harry Potter books.

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If you haven't watched all the Harry Potter movies yet or read the books, the story follows a young orphan called Harry Potter who learns that he is actually a wizard on his 11th birthday. Harry gets enrolled at Hogwarts School of Witchcraft and Wizardry, and he also discovers that his parents were killed by an evil Wizard named Voldemort, who is the reason that Harry has a lightning-shaped scar on his forehead.

The first season will be adapting The Philosopher's Stone book (or Sorcerer's Stone), which follows Harry during his first year at Hogwarts, and also features his first showdown with Voldemort. I won't get into spoilers here, but I will say the events of this chapter are great world builders, featuring multiple fantastical creatures. Perfect for Wizarding World newbies.

We also know that the show will give us different perspectives from other characters besides Harry. So, differing slightly from the books that focused on the Boy Who Lived. During an interview with People, the new Draco actor Lox Pratt teased that fans will "get to see so much more than the books" in the new TV series.

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"You get to see all the teachers in their little rooms. You get to see Draco at home," the star explained. Exciting stuff! Slight story alterations may also happen thanks to Bloys confirming that we won't be getting a season a year. However, that is just speculation on our part, and so far it looks like HBO is aiming for a faithful adaptation. Stay tuned for details!

Is there a trailer for the Harry Potter TV series?

Harry Potter and the Philosopher's Stone | Official Teaser | HBO Max - YouTube Harry Potter and the Philosopher's Stone | Official Teaser | HBO Max - YouTube
Watch On

The first trailer for the Harry Potter TV series dropped on March 25, 2026, and I'll say that it's very nice to see Hogwarts again after all these years. It also gives us our first look at all the new actors taking on the iconic characters. Watch it for yourself above!

Harry Potter TV series cast

Harry and Hagrid on the tube during the trailer for the Harry Potter series.

(Image credit: HBO Max)

The cast for the Harry Potter TV series is absolutely massive, and includes some emerging stars as well as some very recognisable faces. Since we'd be here forever if we listed everyone, below you'll find a round-up of all the main cast members, as well as the recurring cast members who have massive roles in the Harry Potter story going forward.

  • Dominic McLaughlin as Harry Potter
  • Alastair Stout as Ron Weasley
  • Arabella Stanton as Hermione Granger
  • Lox Pratt as Draco Malfoy
  • John Lithgow as Albus Dumbledore
  • Nick Frost as Rubeus Hagrid
  • Janet McTeer as Minerva McGonagall
  • Paapa Essiedu as Severus Snape
  • Johnny Flynn as Lucius Malfoy
  • Luke Thallon as Quirinus Quirrell
  • Rory Wilmot as Neville Longbottom
  • Bel Powley as Petunia Dursley
  • Daniel Rigby as Vernon Dursley
  • Amos Kitson as Dudley Dursley
  • Paul Whitehouse as Argus Filch
  • Katherine Parkinson as Molly Weasley
  • Gracie Cochrane as Ginny Weasley
  • Tristan Harland as Fred Weasley
  • Gabriel Harland as George Weasley
  • Ruari Spooner as Percy Weasley
  • Finn Stephens as Vincent Crabbe
  • William Nash as Gregory Goyle
  • Sirine Saba as Pomona Sprout
  • Leo Earley as Seamus Finnigan
  • Warwick Davis as Filius Flitwick
  • Bertie Carvel as Cornelius Fudge

Keep in mind that a lot of other students have been announced as well. The above are simply the characters that we'll likely be seeing the most of throughout season 1.

We are also actually waiting for even more cast confirmation for characters that we also know are part of the story, but are MIA from the cast list at the moment. Cillian Murphy was rumored to be playing Voldermort, but has denied his involvement – so that's the biggest secret the show is keeping so far. Stay tuned for updates.


While we wait for the Harry Potter TV series to head our way, check out our list of the best HBO Max shows to watch in the meantime.

TOPICS
HBO Max
CATEGORIES
TV
Emma-Jane Betts
Emma-Jane Betts
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Managing Editor, Evergreens

After reviewing films throughout University and being a cosy game expert for years, I realised that entertainment journalism was my true calling in 2019. Since then, I've started multiple new farms on Stardew Valley and have written for several publications such as The Upcoming, PCGamesN, and Wargamer. I was the resident Guides Editor and horror lover for The Digital Fix before joining the GamesRadar+ team in 2024. As the Managing Editor for Evergreens, I'll be making sure that all the best lists you read on GamesRadar+ are the most helpful and fun pages on the internet!


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