Kerr Smith shot to fame as Jack McPhee in Dawson's Creek, but the actor has since made a move away from the acting world.

In April, HBO announced that John Lithgow, Janet McTeer, Paapa Essiedu, and Nick Frost would join the main cast as Albus Dumbledore, Minerva McGonagall, Severus Snape, and Rubeus Hagrid, respectively.