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

John Lithgow is playing Dumbledore in the upcoming TV adaptation of ‘Harry Potter.’ Meet the entire cast so far.

Before taking the role of Argus Filch in the Harry Potter TV show, Paul Whitehouse had a secret role in the movies.

Casting for six major characters in HBO's upcoming 'Harry Potter' series, including Dumbledore, Snape and Hagrid have been announced.

Where are the original Harry Potter cast members now? New HBO series reveals adult characters - There are still more roles to ...