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HBO's New 'Harry Potter' Series: Unveiling the Cast

John LasseterJohn LasseterNov 02, 2026

HBO's highly anticipated adaptation of J.K. Rowling's beloved 'Harry Potter' series is generating significant buzz as its premiere approaches. The network has systematically unveiled the new ensemble of actors who will bring the magical world to life, promising a comprehensive and detailed rendition of the original books.

The upcoming series will feature a fresh cast in the iconic roles, with Dominic McLaughlin cast as Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. Showrunner Francesca Gardiner noted that these lead actors were selected from a vast pool of auditioning children. The production aims to delve into every aspect of the wizarding world, enriching the narrative with "fantastic detail."

Beyond the central trio, the series has enlisted a mix of established and emerging talent for key supporting characters. Noteworthy additions include John Lithgow as Albus Dumbledore, Paapa Essiedu as Severus Snape, and Janet McTeer as Minerva McGonagall. Nick Frost will portray Rubeus Hagrid, adding to the roster of familiar faces in new interpretations. Other significant roles, such as Draco Malfoy (Lox Pratt), Lucius Malfoy (Johnny Flynn), and Molly Weasley (Katherine Parkinson), have also been cast.

Among the newer talents, Luke Thallon will play Quirinus Quirrell, Paul Whitehouse takes on the role of Argus Filch, and Bel Powley is set to embody Petunia Dursley. Daniel Rigby will portray Vernon Dursley, while Bertie Carvel steps into the shoes of Cornelius Fudge. Familiar Hogwarts students like Seamus Finnigan (Leo Earley), Parvati Patil (Alessia Leoni), and Lavender Brown (Sienna Moosah) will also be introduced with fresh faces.

The series will also feature Rory Wilmot as Neville Longbottom, Elijah Oshin as Dean Thomas, and Tristan and Gabriel Harland as the mischievous Fred and George Weasley. Ruari Spooner will play Percy Weasley. Draco Malfoy's companions, Vincent Crabbe and Gregory Goyle, will be played by Finn Stephens and William Nash, respectively.

Several actors will take on roles of various Hogwarts faculty and magical beings. Warwick Davis, a veteran of the original films, will return as Filius Flitwick. Sirine Saba is cast as Pomona Sprout, while Bríd Brennan will play Poppy Pomfrey. Leigh Gill will appear as Griphook, and Anton Lesser as Garrick Ollivander. Rafe Spall, son of original film actor Timothy Spall, will portray Arthur Weasley, creating an interesting generational link within the franchise.

The series will also introduce characters who did not feature prominently in the previous films, such as Cuthbert Binns, played by Richard Durden, and Peeves the Poltergeist, portrayed by Peter Serafinowicz. Key characters from Harry's family, including his cruel cousin Dudley Dursley (Amos Kitson), and parents James Potter (Jasper Talbot) and Lily Potter (Hannah Chinn), will be depicted. Ginny Weasley will be portrayed by Gracie Cochrane in season one, with Bonnie Hill taking over in season two due to unforeseen circumstances. Additionally, Lenny Rush will portray the beloved house-elf Dobby, and Billy Barratt will play a young Tom Riddle, offering a deeper dive into the origins of Voldemort.

The ensemble promises to deliver a fresh yet faithful interpretation of the Wizarding World, drawing both new audiences and long-time fans into its intricate narrative. The inclusion of seasoned actors alongside new discoveries highlights a commitment to both performance excellence and a new vision for this classic tale.

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