Here is everything we know so far about HBO’s “Harry Potter” TV series.

The HBO project has found its Professor Quirrell and Hogwarts caretaker Argus FilchHBO confirmed who will play several iconic roles in its Harry Potter TV reboot in a news release on Monday, April 14The cast is set to include Luke Thallon as Professor Quirinus Quirrell and Paul Whitehouse as Argus Filch“We’re delighted to have such extraordinary talent onboard,

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 Hagrid. Those four will all serve as series regulars.