HBO has unveiled a new trailer for its forthcoming Harry Potter series, offering viewers a glimpse of key moments from "Harry Potter and the Philosopher's Stone." The eight-episode season is slated to debut on HBO and stream on HBO Max during the Christmas 2026 holiday season.
The trailer highlights significant plot points and character introductions, including first-year student Harry Potter, portrayed by Dominic McLaughlin, being sorted into Gryffindor by the Sorting Hat. It also depicts the burgeoning friendship between Harry, Hermione Granger (Arabella Stanton), and Ron Weasley (Alastair Stout). Audiences can expect to see a Quidditch match, Ron receiving his Hogwarts acceptance letter, and a closer look at the Weasley family. The preview also features Severus Snape, played by Paapa Essiedu, expressing disapproval of Harry, alongside Harry utilizing the Cloak of Invisibility and encountering the Mirror of Erised. The troll incident in the bathroom and appearances by Albus Dumbledore (John Lithgow), Minerva McGonagall (Janet McTeer), and Rubeus Hagrid (Nick Frost) are also showcased.
Brief glimpses suggest a flashback sequence featuring Harry's parents, Lily and James Potter, and a potential first look at Lord Voldemort. The extensive cast list for "Harry Potter and the Philosopher's Stone" includes Rory Wilmot as Neville Longbottom, Lox Pratt as Draco Malfoy, Leo Earley as Seamus Finnigan, Elijah Oshin as Dean Thomas, Tristan Harland as Fred Weasley, Gabriel Harland as George Weasley, Ruari Spooner as Percy Weasley, Alessia Leoni as Parvati Patil, Sienna Moosah as Lavender Brown, Finn Stephens as Vincent Crabbe, William Nash as Gregory Goyle, Warwick Davis as Filius Flitwick, and Sirine Saba as Pomona Sprout.
Further casting includes Daniel Rigby as Vernon Dursley, Bel Powley as Petunia Dursley, Paul Whitehouse as Argus Filch, Johnny Flynn as Lucius Malfoy, Bertie Carvel as Cornelius Fudge, Luke Thallon as Quirinus Quirrell, Katherine Parkinson as Molly Weasley, Amos Kitson as Dudley Dursley, Gracie Cochrane as Ginny Weasley, Richard Durden as Cuthbert Binns, Louise Brealey as Rolanda Hooch, Bríd Brennan as Poppy Pomfrey, Leigh Gill as Griphook, and Anton Lesser as Garrick Ollivander.
Francesca Gardine serves as writer and executive producer for the series, which is based on J.K. Rowling's novels. Production on the second season is scheduled to commence in the fall, with Kit Harrington taking over the role of Defense Against the Dark Arts teacher Gilderoy Lockhart, previously played by Nicholas Hoult.