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

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 cast, including the all-important trio of Harry Potter himself and his two ...