HBO's "Harry Potter" television adaptation is slowly coming together, but we're still a ways out from actually getting it on our screens. That said, we are learning more and more as the months go on.

John Lithgow has said that he’s “very excited” to be joining the upcoming “Harry Potter” series as Albus Dumbledore, brushing off criticism that the role of the wizarding headteacher has been given to an American actor.

HBO and Max's new Harry Potter TV show will be here before you know it, and we finally know who we'll see as our beloved Hogwarts professors. John Lithgow confirmed his role as Dumbledore back in February,