The magical world of Hogwarts is coming to life anew in HBO’s ambitious “Harry Potter” television series, set to premiere in 2027 on HBO and HBO Max, with production already underway at Warner Bros.’ Leavesden Studios in the U.K. Announced on September 1, 2025, during the annual Back to Hogwarts celebrations, the series welcomes back Warwick Davis, the beloved actor who portrayed Charms Professor Filius Flitwick across all eight original films, reprising his role as the diminutive Ravenclaw head. While Davis also played the goblin Griphook in the films, that role now goes to Leigh Gill, freeing Davis to focus solely on Flitwick’s wand-waving charm. This casting, blending continuity with fresh talent, signals HBO’s intent to honor J.K. Rowling’s Wizarding World while reimagining it for a new generation, with a sprawling ensemble that populates Hogwarts’ classrooms, corridors, and beyond.
Joining Davis on the Hogwarts staff are Sirine Saba as the nurturing Herbology Professor Pomona Sprout, previously portrayed by Miriam Margolyes; Richard Durden as the spectral Professor Cuthbert Binns, the History of Magic teacher making his onscreen debut; and Bríd Brennan as Madam Poppy Pomfrey, the skilled healer of the Hogwarts Hospital Wing. These additions bring depth to the faculty, promising a richer exploration of the school’s inner workings than the films allowed. On the student front, Elijah Oshin steps into the role of Dean Thomas, the half-blood Gryffindor who, unaware of his wizard father for years, was played by Alfred Enoch in the films. Finn Stephens and William Nash join as Slytherin duo Vincent Crabbe and Gregory Goyle, Draco Malfoy’s loyal but dim-witted cronies, roles originated by Jamie Waylett and Josh Herdman. Their casting, alongside Lox Pratt as Draco, hints at a dynamic reimagining of Slytherin’s scheming undercurrents.
The series, which adapts each of Rowling’s seven books across individual seasons starting with Harry Potter and the Philosopher’s Stone, has been gradually unveiling its expansive cast. Recent announcements included the Weasley siblings: twins Tristan and Gabriel Harland as the mischievous Fred and George, Ruari Spooner as the ambitious Percy, and Gracie Cochrane as the spirited Ginny. The core trio—Dominic McLaughlin as Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley—anchors the narrative, joined by heavyweights like John Lithgow as Albus Dumbledore, Nick Frost as Hagrid, Janet McTeer as Minerva McGonagall, and Paapa Essiedu as Severus Snape. The ensemble extends to Katherine Parkinson as Molly Weasley, Johnny Flynn as Lucius Malfoy, Leo Earley as Seamus Finnigan, Alessia Leoni as Parvati Patil, Sienna Moosah as Lavender Brown, Bertie Carvel as Cornelius Fudge, Bel Powley and Daniel Rigby as Petunia and Vernon Dursley, Rory Wilmot as Neville Longbottom, Amos Kitson as Dudley Dursley, Louise Brealey as Madam Rolanda Hooch, and Anton Lesser as wandmaker Garrick Ollivander. Notably, the role of Lord Voldemort remains uncast, heightening anticipation for the series’ central antagonist.
Led by showrunner Francesca Gardiner (His Dark Materials, Killing Eve) and director Mark Mylod (Succession), both serving as executive producers alongside Rowling, Neil Blair, Ruth Kenley-Letts of Brontë Film and TV, and David Heyman of Heyday Films, the series promises a deeper dive into Rowling’s universe. Production has already sparked excitement, with fans spotting actors filming at London’s Borough High Street for the Leaky Cauldron sequence, and HBO sharing a first glimpse of McLaughlin as Harry in July. The decision to cast Davis, the only film actor reprising a role so far, reflects both practical and sentimental considerations, as noted in online discussions: limited roles for actors with dwarfism in the U.K. make his return fitting, while his Flitwick remains a fan favorite. Social media buzz, including Reddit threads, has speculated on creative subplots, like Flitwick in a time loop, highlighting the fandom’s enthusiasm for this fresh take.
HBO’s series aims to expand the Wizarding World’s lore, offering more detail than the films could accommodate. Saba’s Sprout, Durden’s ghostly Binns, and Brennan’s Pomfrey enrich the faculty, while Oshin’s Dean and Stephens and Nash’s Crabbe and Goyle bring new energy to Hogwarts’ rivalries. As production progresses, the series is shaping up to be a magical homecoming, blending nostalgia with innovation, ready to enchant audiences when it debuts in 2027.
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