Ripley, Rivals stars join ‘Harry Potter’ reboot

Fresh faces lead Hogwarts reboot

HBO has cast three new child actors to lead its upcoming Harry Potter television series, covering seven books over seven seasons. Dominic McLaughlin takes on Harry Potter, Arabella Stanton is Hermione Granger, and Alastair Stout becomes Ron Weasley.

They were selected from more than 30,000 open auditions across the UK and Ireland. Showrunner Francesca Gardiner and director Mark Mylod praised the fresh trio’s talent, noting their auditions were a pleasure to watch. Expect these newcomers to carry the series forward for years to come.

Dominic McLaughlin is Harry Potter

Dominic McLaughlin, an 11-year-old from Scotland, will portray Harry Potter. He’s appeared in small television roles, including a BBC family drama, and trained at a local performance academy.

While still a newcomer, early buzz around his audition suggests he impressed casting directors with a quiet intensity and resilience, two traits essential to Harry’s character.

Compared to Daniel Radcliffe’s breakout casting in 2001, McLaughlin is equally green but comes into a more mature, serialized adaptation. With HBO aiming for emotional realism and character depth, his performance could define the tone of the entire series from the very first episode.

Arabella Stanton is Hermione Granger

Arabella Stanton will play Hermione Granger, the brilliant and brave Muggle-born witch. At just 11, Stanton already has a strong stage background, performing in London’s West End in musicals like Matilda and Starlight Express.

HBO’s version of Hermione is expected to more closely follow the books, highlighting both her vulnerability and strength. Stanton’s casting has been met with early excitement, especially from fans eager to see a fresh, faithful interpretation of the beloved character.

John Lithgow cast as Dumbledore

Veteran actor John Lithgow has been tapped to play Albus Dumbledore. Known for his gravitas and warmth in both drama and comedy, Lithgow brings decades of experience to the complex role of Hogwarts’ headmaster.

Lithgow has said he’s embracing the challenge, including perfecting a convincing accent. HBO describes its Dumbledore as more layered and mysterious, aligning more closely with the book’s morally ambiguous mentor figure.

Paapa Essiedu portrays Severus Snape

British actor Paapa Essiedu has been cast as Severus Snape, a bold and exciting choice. Known for standout roles in I May Destroy You and Gangs of London, Essiedu brings intensity and complexity to every role he takes on.

HBO has said this version of Snape will explore his backstory more gradually, building toward the emotional revelations of later seasons. Essiedu’s theatrical background ensures his Snape will be equal parts intimidating, intelligent, and ultimately heart-wrenching.

Janet McTeer is Professor McGonagall

Two-time Oscar nominee Janet McTeer will play Professor Minerva McGonagall, Hogwarts’ stern yet loyal deputy headmistress. McTeer’s work in series like Ozark and The Honourable Woman proves she can command a room with just a glance, perfect for McGonagall’s no-nonsense presence.

This casting brings a sense of dramatic gravitas to a beloved character. HBO is expected to highlight McGonagall’s loyalty, dry wit, and strength as a leader during Voldemort’s rise.

Fans have welcomed McTeer as a worthy successor to Dame Maggie Smith, noting that her authority and emotional control align closely with McGonagall’s role in the books.

Nick Frost as Hogwarts’ Hagrid

Nick Frost, known for his work in Shaun of the Dead and Hot Fuzz, has been cast as Rubeus Hagrid. This beloved half-giant groundskeeper is a fan favorite, known for his kindness and fierce loyalty. Frost’s warm screen presence and comedic roots make him a natural fit for the role.

While this is a more whimsical part compared to others in the cast, HBO has said Hagrid will be treated with real emotional weight. Frost is expected to capture the character’s tenderness and strength, offering audiences a heartfelt new take on a role made iconic by the late Robbie Coltrane.

Paul Whitehouse plays Argus Filch

British comedy veteran Paul Whitehouse will portray Argus Filch, Hogwarts’ grumpy caretaker. Known for The Fast Show and other sketch comedy hits, Whitehouse brings humor and unpredictability to the character.

HBO has said this reboot may give Filch a more grounded backstory, offering glimpses into the bitterness and loneliness that fuel his disdain for students. Whitehouse’s casting indicates a shift toward subtle dark comedy rather than slapstick.

Luke Thallon as Professor Quirrell

Stage actor Luke Thallon has been cast as Professor Quirinus Quirrell, the timid Defense Against the Dark Arts teacher with a dark secret. Thallon is best known for his performances with the Royal Shakespeare Company and in various British dramas.

This early-season villain will serve as the first major test for Harry and his friends. Unlike the original film’s more caricatured version, HBO’s Quirrell may be portrayed with greater psychological depth, revealing how fear and ambition led him to ally with Voldemort.

Katherine Parkinson joins as Molly

BAFTA-winning actress Katherine Parkinson has been cast as Molly Weasley, the fiercely loving matriarch of the Weasley family. Best known for her work in The IT Crowd and Rivals, Parkinson brings a perfect blend of warmth and steel to the role.

Molly is a comforting presence but also a formidable protector, especially when it comes to her children. This casting choice suggests HBO’s version of the Weasleys will lean into their strong moral compass and working-class charm.

Lox Pratt portrays Draco Malfoy

Up-and-coming actor Lox Pratt will take on the role of Draco Malfoy, Harry’s slick and often antagonistic school rival. Pratt recently appeared in the BBC’s Lord of the Flies, where he was praised for capturing the duality of innocence and cruelty.

As Draco, he’ll need to walk a fine line between arrogance and vulnerability, especially as the character evolves throughout the series. This reboot is expected to offer a more detailed look at Draco’s upbringing and internal conflicts.

Johnny Flynn Cast as Lucius Malfoy

Johnny Flynn, known for Ripley and Emma, will play Lucius Malfoy, Draco’s father and a prominent figure in Voldemort’s inner circle. Flynn brings a brooding elegance to his roles and seems perfectly suited to the cold, calculating patriarch. HBO’s take on Lucius may focus more on his political manipulation and public persona, providing deeper insight into his motivations and fears.

Flynn’s sharp delivery and commanding presence will no doubt make Lucius a memorable antagonist. This casting pairs nicely with Lox Pratt’s Draco, offering a family dynamic rooted in power, fear, and legacy.

Expanded cast builds wizarding world

A wide range of additional characters has been cast, helping to flesh out the magical and Muggle worlds. Leo Earley will play Seamus Finnigan, Alessia Leoni is Parvati Patil, and Sienna Moosah joins as Lavender Brown.

Bel Powley and Daniel Rigby will portray the Dursleys, while Bertie Carvel steps in as Minister Cornelius Fudge.

These supporting roles may be small, but HBO’s adaptation is expected to take its time with secondary characters, giving them richer arcs and backstories. The diversity and talent in the expanded cast point to a broader, more inclusive vision of the wizarding world.

Production plans and series timeline

HBO plans to stretch the series across seven seasons, with each season focusing on a single book. Filming will take place at the original Leavesden Studios in the UK, where the Harry Potter films were shot. The show is currently in pre-production, with filming that began on 14 July 2025.

The series is aiming for a 2027 release date. HBO has emphasized faithfulness to the source material, richer emotional storytelling, and more time to explore character development and lore. Excitement jumped even higher when the first look at Dumbledore, played by John Lithgow, was revealed.

A bold, faithful new vision

The Harry Potter TV reboot is shaping up to be a bold retelling, one that aims to dig deeper into the books, expand character arcs, and reflect today’s more inclusive storytelling standards.

Fans old and new will likely find something to appreciate in this version, which honors J.K. Rowling’s original work while pushing forward with a modern perspective.

That said, Rowling has recently stirred headlines again, seemingly reigniting tension with original cast members, a move that could complicate public perception of the reboot.

What do you think? Are you excited or hesitant about this new take on Hogwarts? Share your thoughts in the comments!

Read More From This Brand:

• What to Expect from Harry Potter 2026 Casting
• Harry Potter TV Series Ignites Casting Debate
• 15 Unsolved Mysteries in the Harry Potter World

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This slideshow was made with AI assistance and human editing.