The Harry Potter TV adaptation cast are slowly being named.

Find out who is playing Professor Minerva McGonagall in new HBO Harry Potter TV series - all we know about Janet McTeer.

The 63-year-old is set to play head of Gryffindor House, Professor Minerva McGonagall ... s very own - Ralph Fiennes, who played Voldemort in the classic films. The pair featured on the darkly ...