As a fan of the wizarding world of Hogwarts, are you eagerly awaiting the Harry Potter HBO series – HBO’s ambitious television project, promising to bring a new perspective on JK Rowling’s classic story? As of March 2025, many interesting information about this series has been revealed. Hobiverse will help you discover the latest updates on the release date, cast, and what you can expect from this masterpiece!
What is Harry Potter HBO series?
First announced in April 2023 by Warner Bros. Discovery, the Harry Potter HBO series is a faithful adaptation of JK Rowling's seven famous books, and will likely span 10 years. Unlike spin-offs like Fantastic Beasts, this series will recreate the entire journey of Harry Potter, from the 11-year-old boy entering Hogwarts to the final battle with Lord Voldemort. With the long-running TV format, the producer and director promise to exploit hidden corners that have never appeared on screen, such as new characters or details about Hogwarts architecture over time.

JK Rowling, in her role as executive producer, was also very pleased with the script and hoped the TV version would bring the depth and detail that only the long-form format could.
Harry Potter HBO series expected release date
According to the latest information from Warner Bros. Discovery in December 2024, the Harry Potter HBO series is expected to premiere in early 2027, instead of late 2026 as originally planned. JB Perrette, CEO of global streaming at Warner Bros. Discovery, confirmed that the production will be filmed largely in Leavesden (UK) - where the original Harry Potter films were filmed - by mid-2025. This delay is explained by the huge scale of the project, including lengthy filming and complex post-production with many CGI effects.

While fans will have to wait a little longer, they can rest assured that HBO is taking the investment seriously to ensure quality. With a 10-year, 7-season plan (each season corresponding to a book), it promises to be a long and worthwhile journey.
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Who will be joining the Harry Potter HBO series?
One of the biggest highlights of the Harry Potter HBO series is the all-new cast, without the presence of stars from the original series like Daniel Radcliffe, Emma Watson or Rupert Grint. HBO wanted to bring a new breeze, while staying true to the actual ages of the characters in the books.
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John Lithgow as Albus Dumbledore: In February 2025, ScreenRant reported that veteran actor John Lithgow had confirmed his role as Dumbledore – the powerful headmaster of Hogwarts. Lithgow shared that this is a role that could shape the final stage of his career, and he is excited about this challenge.

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Paapa Essiedu as Severus Snape: According to The Hollywood Reporter (December 2024), Paapa Essiedu (I May Destroy You) is finalizing a deal to play Professor Snape – the complex character that Alan Rickman portrayed so well. At 31 years old in the book, Essiedu brings a younger Snape, true to the original.

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Janet McTeer as Minerva McGonagall: Deadline also revealed that Janet McTeer (Into the Storm) is in talks to play the stern but compassionate Vice Headmistress Professor McGonagall. The Oscar, Emmy, and Golden Globe-nominated actress promises to bring depth to the character.

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Harry, Ron and Hermione: The golden trio of Harry, Ron and Hermione are still the ones fans are waiting for news about, and Who will play the new Harry Potter? is obviously the most interested. However, HBO held an open call in September 2024, attracting more than 32,000 children from the UK and Ireland aged 9-11. Director Mark Mylod revealed that they have looked at all the audition videos and are selecting the best candidates, with an announcement expected in early 2025.
Why is the Harry Potter HBO series worth looking forward to?
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Faithful to the original: HBO is committed to staying true to the spirit of the books, from the characters' ages to the smallest details.
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Talented cast: The combination of veteran names and new faces promises to bring a unique appeal to the TV version.
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Modern technology: With experience from Game of Thrones and House of the Dragon, HBO is sure to create a magical world that is eye-catching.
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Long duration: 7 seasons in 10 years allows the story to be told more fully and deeply.
The Harry Potter HBO series is not only a remake project, but also an opportunity for fans to relive their childhood in a whole new way. What do you think of the new cast? Who would you like to see as Harry, Ron, or Hermione? Follow Hobiverse closely so you don't miss any updates on the journey back to Hogwarts!