HBO has officially confirmed the casting of Nick Frost, Paapa Essiedu, Janet McTeer, and Paul Whitehouse for the upcoming Harry Potter TV series. Frost will take on the role of Hagrid, while McTeer will portray Minerva McGonagall, and Essiedu will bring Severus Snape to life. These roles had been the subject of recent discussions, and now their participation is set in stone. In...