Harry Potter HBO TV series and characters: Who confirmed to restart?

We got a big landmark in HBO Harry Potter TV series, as the first six members have been revealed. While we have to wait for Harry, Ron, Hermione and Lord Voldemort, we know who will take Albus Dumbledore, Minerva McGonagall, Severus Snape and the other.

Read advancing it officially take it for this new Harry Potter, as well as to be thrown.