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The confirmed Harry Potter reboot leads are Dominic McLaughlin as Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout as Ron Weasley. HBO’s adaptation has also announced a large first-season ensemble, while a separate group of actors has been announced for season two. This is the confirmed cast as of October 8, 2026—not a final cast list.
Who is playing Harry, Hermione, and Ron?
The three young leads officially announced for the HBO Original adaptation are:
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- Dominic McLaughlin as Harry Potter
- Arabella Stanton as Hermione Granger
- Alastair Stout as Ron Weasley
Warner Bros. Discovery described them as the new cast for its adaptation of the books. The official announcement said the search involved “tens of thousands” of children. Wizarding World also reported that Mark Mylod said the team had seen 30,000 young actors audition; that is an attributed figure, not an independently verified count. Read the main-trio announcement.
Which actors are confirmed for season one?
The official series guide and casting announcements name the following performers for the first-season ensemble. The groupings below make the roles easier to scan; they do not imply equal screen time.
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Hogwarts staff and residents
- 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
- Paul Whitehouse as Argus Filch
- Warwick Davis as Filius Flitwick
- Sirine Saba as Pomona Sprout
- Richard Durden as Cuthbert Binns
- Bríd Brennan as Poppy Pomfrey
- Louise Brealey as Rolanda Hooch
- Anton Lesser as Garrick Ollivander
- Peter Serafinowicz as Peeves
The headline staff casting was announced together by showrunner and executive producer Francesca Gardiner and director and executive producer Mark Mylod. See the staff-casting announcement.
The Weasley family and other adults
- Katherine Parkinson as Molly Weasley
- Tristan Harland as Fred Weasley
- Gabriel Harland as George Weasley
- Ruari Spooner as Percy Weasley
- Gracie Cochrane as Ginny Weasley
- Bel Powley as Petunia Dursley
- Daniel Rigby as Vernon Dursley
- Amos Kitson as Dudley Dursley
- Bertie Carvel as Cornelius Fudge
Students and Quidditch players
- Lox Pratt as Draco Malfoy
- Leo Earley as Seamus Finnigan
- Alessia Leoni as Parvati Patil
- Sienna Moosah as Lavender Brown
- Orson Matthews as Oliver Wood
- Asha Soetan as Angelina Johnson
- Eire Farrell as Katie Bell
- Serrana Su-Ling Bliss as Alicia Spinnet
- Ethan Smith as Lee Jordan
- Oliver Croft as Marcus Flint
- D’Angelou Osei-Kissiedu as Graham Montague
- Dylan Heath as Adrian Pucey
- Cornelius Brandreth as Terence Higgs
- Eddison Burch as Miles Bletchley
- James Dowell as Lucian Bole
- Henry Medhurst as Peregrine Derrick
- India Moon as Hannah Abbott
- James Trevelyan Buckle as Justin Finch-Fletchley
- Cian Eagle-Service as Ernie MacMillan
- Jazmyn Lewin as Susan Bones
- Anjula Murali as Padma Patil
- Aaron Zhao as Terry Boot
- Scarlett Archer as Penelope Clearwater
- Eve Walls as Lisa Turpin
- Laila Barwick as Pansy Parkinson
The official series guide is the consolidated source for these role pairings. It may be updated as casting develops.
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Which actors have been announced for season two?
The official guide lists a separate set of performers for season two. These names are confirmed for that season, not part of the first-season roster above:
- Kit Harington as Gilderoy Lockhart
- Bonnie Hill as Ginny Weasley
- Billy Barratt as Tom Riddle
- Lenny Rush as Dobby
- Rafe Spall as Arthur Weasley
- Jasper Ambrose as Colin Creevey
- Molly Hewitt-Richards as Moaning Myrtle
Season placement matters: the appearance of a role in the series guide does not mean that performer is in season one.
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- Complete hardcover boxed set of all seven Harry Potter books, presented in a collectible trunk-style boxA stunning gift for new readers and longtime fans of J.K. Rowling's magical seriesPerfect for building a home library and immersing young readers in the world of Hogwarts
When is the series expected to premiere?
As of October 8, 2026, the current official series guide lists a Christmas 2026 debut on HBO and HBO Max where available. An official student-casting page and an earlier production announcement instead give 2027, so Warner Bros. Discovery’s official pages are inconsistent. Treat Christmas 2026 as the guide’s latest schedule listing, not a confirmed premiere date. The student-casting page still says 2027.
Production has commenced at Warner Bros. Studios Leavesden. Francesca Gardiner is writing and executive producing; Mark Mylod executive produces and directs multiple episodes. J.K. Rowling, Neil Blair, Ruth Kenley-Letts, and David Heyman are also named as executive producers in the official materials.
Is this the complete cast?
No final, complete cast list has been established. The names above are official confirmations available as of October 8, 2026; additional performers may be announced. A fan cast, rumor, or an actor’s earlier work is not confirmation of a role unless an official source names the pairing.
Season one is titled Harry Potter and the Philosopher’s Stone, matching the first novel the series adapts. The book is optional background, not a requirement for watching the show. The official series guide lists the season title and current schedule information.
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