HBO's original Harry Potter series has cast John Lithgow as Albus Dumbledore; Janet McTeer as Minerva McGonagall; Paapa Essiedu as Severus Snape; and Nick Frost as Rubeus Hagrid. All will serve as series regulars. Newly announced guest/recurring cast members include Luke Thallon as Quirinus Quirrell and Paul Whitehouse as Argus Filch. The actors who will play Harry, Ron Weasley, and Hermione Granger have not been announced yet.
"We're delighted to have such extraordinary talent onboard, and we can't wait to see them bring these beloved characters to new life," said Francesca Gardiner, showrunner and executive producer, and Mark Mylod, director of multiple episodes and executive producer, in a joint statement.
The series "will be a faithful adaptation of the beloved Harry Potter book series by author and executive producer J.K. Rowling," HBO noted, adding that "each season will bring Harry Potter and its incredible adventures to new and existing audiences and will stream exclusively on Max where it's available globally.... The original, classic, and cherished films will remain at the core of the franchise and available to watch around the world."