American John Lithgow is set to play Hogwarts headmaster Albus Dumbledore and Paul Whitehouse will be grumpy caretaker Argus ...

The series will feature a brand new cast while staying authentic to the original books, to bring the wizarding adventures to ...

John Lithgow will play the Hogwarts headmaster in the HBO show, with Paapa Essiedu filling the role of Severus Snape.