John Lithgow and Paapa Essiedu will portray Albus Dumbledore and Severus Snape in the upcoming "Harry Potter" series from HBO, Warner Bros. announced alongside other cast members Monday.

HBO's impending long-form Harry Potter television series is envisioned as a ten-year adaptation. It is taken from J.K.

John Lithgow previously stated that he had been cast as Dumbledore, which HBO confirmed Monday, along with Janet McTeer as Minerva McGonagall, Paapa Essiedu as Severus Snape and Nick Frost as Rubeus ...