The wizarding world is making a comeback, and we're literally losing our minds over it. Nearly 25 years after Harry Potter first cast his spell on

The HBO-produced Harry Potter TV series has, unsurprisingly, sparked much debate. The idea of revisiting the material from J.K. Rowling's novels, which were already used for a highly successful

The Harry Potter HBO series is in negotiations with Janet McTeer to play Minerva McGonagall and Paap Essiedu is near a deal to play Severus Snape.

After the controversial casting of John Lithgow as Dumbledore, the Harry Potter TV show has reportedly found actors to play Snape and McGonagall.

The cast for HBO’s upcoming Harry Potter TV show is rounding out into shape. Shortly after John Lithgow signed on to play Hogwarts headmaster Albus Dumbledore, the network has found actors to portray two of the school’s most notable professors.

With filming expected to begin this summer, the Harry Potter HBO TV show is close to finding the actors to play McGonagall and Snape.

HBO’s upcoming Harry Potter series is slowly assembling its Hogwarts faculty, and two more key roles are in the process of being finalized. Sources confirm that actress Janet McTeer ( The Old Man , Kaos ) is in negotiations to play Professor Minerva McGonagall,

John Lithgow has played everything from Don Quixote in Man of La Mancha to an extraterrestrial patriarch in 3rd Rock from the Sun. Next he will be the powerful, wise, and compassionate professor Dumbledore in HBO’s Harry Potter TV show. He confirmed the casting in a recent interview, saying it will “define me for the last chapter of my life.”

All the news on HBO's streaming 'Harry Potter' TV series, including cast, release date, how to watch, development and whether J.K. Rowling will be involved.

And there’s more! A new cast will fill the old roles made famous by the likes of Daniel Radcliffe, Rupert Grint, Emma Watson, and Co. There aren’t many details about the series available just yet, but here’s a quick breakdown of what we do know so far.