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.

The new project, based directly on J.K. Rowling’s beloved novels, will retell the story of Harry Potter through a multi-season television adaptation, offering fans a deeper dive

The trio marks the first child cast members revealed for the series. HBO had previously announced several key adult roles, including John Lithgow as Albus Dumbledore, Janet McTeer as Professor McGonagall, and Paapa Essiedu as Severus Snape. Nick Frost will also appear as Hagrid.