HBO Original Harry Potter Series Casts John Lithgow, Janet McTeer, Paapa Essiedu, Nick Frost, Luke Thallon, And Paul Whitehouse

Harry Potter Cast (from left to right): John Lithgow (Credit: Jessica Howes), Janet McTeer (Credit: Andrew Crowley), Paapa Essiedu (Credit: Ruth Crafer), Nick Frost (Credit: Lee Malone), Luke Thallon (Credit: Phil Sharp), Paul Whitehouse (Credit: Mike Marsland).

The HBO Original Harry Potter series has cast six-time Emmy(R), two-time Tony Award(R), Olivier winner, and BAFTA and Oscar(R) nominee John Lithgow as Albus Dumbledore; Tony Award(R), Golden Globe(R), and Olivier winner, and Oscar(R) and Emmy(R) nominee, Janet McTeer as Minerva McGonagall; Emmy(R), Olivier, and BAFTA nominee Paapa Essiedu as Severus Snape; and BIFA nominee Nick Frost as Rubeus Hagrid. All will serve as series regulars.

Newly announced guest/recurring cast include Luke Thallon as Quirinus Quirrell and five-time BAFTA winner Paul Whitehouse as Argus Filch.

"We are happy to announce the casting of John Lithgow, Janet McTeer, Paapa Essiedu, Nick Frost, Luke Thallon and Paul Whitehouse to play Dumbledore, McGonagall, Snape, Hagrid, Quirrell and Filch," said Francesca Gardiner, showrunner and executive producer and Mark Mylod, director of multiple episodes and executive producer. "We're delighted to have such extraordinary talent onboard, and we can't wait to see them bring these beloved characters to new life."

The series will be a faithful adaptation of the beloved Harry Potter book series by author and executive producer J.K. Rowling and will feature an exciting and talented cast to lead a new generation of fandom, full of the fantastic detail and much-loved characters Harry Potter fans have adored for over 25 years. Exploring every corner of the wizarding world, 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, including upcoming markets such as Turkey, the UK, Germany, and Italy, among others. The original, classic, and cherished films will remain at the core of the franchise and available to watch around the world.

The upcoming series is written and executive produced by Francesca Gardiner. Mark Mylod will executive produce and direct multiple episodes of the series for HBO in association with Brontë Film and TV and Warner Bros. Television. The series is executive produced by J.K. Rowling, Neil Blair, and Ruth Kenley-Letts of Brontë Film and TV, and David Heyman of Heyday Films.