Harry Potter is an upcoming fantasy television series developed for HBO, based on the series of eponymous fantasy books by British author J. K. Rowling. Produced by HBO, Warner Bros. Television, Brontë Film & TV, and Heyday Films, it stars Dominic McLaughlin as the title character, with Alastair Stout as Ron Weasley and Arabella Stanton as Hermione Granger. The principal cast also includes John Lithgow as Albus Dumbledore, Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape, and N…