British actor Ralph Fiennes, who starred in "Harry Potter" films, showed off his bulked-up physique in shirtless photos he shared to social media.

HBO's 'Harry Potter' TV show recasts all of the Hogwarts characters with new actors. See who's who in this cast guide.

Paul Whitehouse will play Argus Filch in the Harry Potter HBO TV series - see who he played in the films and what other movies and TV shows ...