Meet the New Harry, Ron, Hermione and Other Cast Members for HBO’s Harry Potter Web Series

Dominic McLaughlin, Arabella Stanton, and Alastair Stout to star as the new Harry, Hermione, and Ron; social media responds with mixed emotions.

May 27, 2025: HBO has officially revealed the young actors who will lead its highly anticipated Harry Potter web series. Announcing the trio on Instagram, HBO disabled comments on the post to protect the child stars from potential negativity.

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Meet the New Hogwarts Trio
Dominic McLaughlin will play Harry Potter, Arabella Stanton is cast as Hermione Granger, and Alastair Stout takes on the role of Ron Weasley. HBO wrote in its announcement:

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“Dear Mr. Potter, Miss Granger, and Mr. Weasley: We are pleased to inform you that you have a place at Hogwarts School of Witchcraft and Wizardry.”

Over 30,000 young actors auditioned since the casting call launched last year.

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Star-Studded Supporting Cast
The series also features 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, and Paul Whitehouse as Argus Filch. Francesca Gardiner, who doubles as showrunner, will write and executive produce.

The series is based on JK Rowling’s seven Harry Potter novels. However, Rowling has recently faced criticism for her remarks on the transgender community.

Internet Reacts Despite Comments Lockdown
Even though HBO disabled comments on its Instagram post, fans quickly took to X (formerly Twitter) and other platforms to share their thoughts. One user posted an old photo of Daniel Radcliffe, Emma Watson, and Rupert Grint, writing, “I miss them.” Another commented, “Wish the kids luck. They’re about to be under a microscope the rest of their lives.”

Some fans expressed excitement, while others criticized the casting choice for Snape, calling it “atrocious.” Many urged kindness towards the young cast members as they step into such iconic roles.

The Harry Potter web series promises to retell the beloved books with a fresh perspective — and all eyes will be on how this new cast handles the magic.

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HBO, Harry Potter, web series, Dominic McLaughlin, Arabella Stanton, Alastair Stout, Paapa Essiedu, JK Rowling, casting announcement