HBO has confirmed its casting for the Harry Potter series. John Lithgow will play Albus Dumbledore, Janet McTeer is Minerva McGonagall, Paapa Essiedu is Severus Snape, and Nick Frost is Rubeus Hagrid.

Take a look at the six adult actors HBO confirmed will be part of the Hogwarts staff in the upcoming TV series.

Helena Bonham Carter's Bellatrix Lestrange ranks among the best villains in the "Harry Potter" franchise (or worst, depending on how you judge evil characters). She's one of Lord Voldemort's ...