Whitehouse appeared in one of the best Harry Potter movies, Harry Potter and the Prisoner of Azkaban. He played Sir Cadogan ...

HBO has cast Paul Whitehouse as the new Argus Filch in the upcoming Harry Potter TV series - here's all you need to know about the Welsh actor.

US actor John Lithgow has said he is “very excited” and “very intimidated” to play wizard and Hogwarts headmaster Albus ...