John Lithgow is playing Dumbledore in the upcoming TV adaptation of ‘Harry Potter.’ Meet the entire cast so far.

John Lithgow, a six-time Emmy and two-time Tony Award winner, will star as Albus Dumbledore.Lithgow also is an Olivier winner and a BAFTA and Oscar nominee. Janet McTeer is cast as Minerva McGonagall.

HBO’s "Harry Potter" confirmed Paapa Essiedu, Janet McTeer and John Lithgow as cast members for the upcoming show. See who else has joined the cast so far.

HBO has announced six cast members of the Harry Potter series, although the search for its three main child stars is reportedly still underway.

The new Hogwarts staff – who are the actors joining the Harry Potter TV series? - The new HBO original series will feature ...

HBO just confirmed the six adult leads from its upcoming Harry Potter TV series and pledges a "faithful adaptation." ...

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