Harry Potter is returning to our screens in the form of an HBO TV series and is set to be released in late 2026 or early 2027. Dominic McLaughlin is set to play protagonist Harry Potter, Arabella Stanton as Hermione Granger, and Alastair Stout will portray Ron Weasley. John Lithgow was the first actor to be officially confirmed for the Harry Potter TV series. "Some wonderful people are turning their attention back to Harry Potter. Elsewhere, Harry Potter actor joins OnlyFans to 'get out of debt, ' and the biggest reactions as John Lithgow is confirmed to play Dumbledore in the Harry Potter TV show.