London. Production has officially begun on the HBO Original Harry Potter television series at Warner Bros. Studios Leavesden in the UK, with the highly anticipated adaptation set to debut in 2027 on HBO and HBO Max in available markets, including Germany, Italy, and the UK as part of its upcoming launch.

Dominic McLaughlin, Arabella Stanton, and Alastair Stout have been cast as Harry Potter, Hermione Granger, and Ron Weasley, respectively.

They join an ensemble cast that includes John Lithgow as Dumbledore, Nick Frost as Hagrid, Janet McTeer as Minerva McGonagall, and Paapa Essiedu as Severus Snape.

Additional cast members announced include Rory Wilmot as Neville Longbottom, Amos Kitson as Dudley Dursley, Louise Brealey as Madam Rolanda Hooch, and Anton Lesser as Garrick Ollivander.

J.K. Rowling is serving as an executive producer to ensure the series remains true to the books.

HBO has also revealed new department heads joining the production, including Adriano Goldman as director of photography, John Nolan as creature effects design supervisor, Alexis Wajsbrot as VFX supervisor, Dom Sidoli as VFX producer, and Holly Waddington as costume designer.

The Harry Potter films grossed over $7.7 billion globally, making it one of the highest-grossing franchises in history.

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