EXCLUSIVE: HBO is closing in on two more main cast members for its high-profile series adaptation of the hugely popular #HarryPotter fantasy books. ⁠ ⁠ Oscar and Emmy-nominated actress Janet McTeer is in negotiations to play Professor Minerva McGonagall, sources tell Deadline. Additionally, Emmy nominee Paapa Essiedu, one of the first actors identified for the series, is closing his deal to portray Professor Severus Snape, we hear.⁠ They are poised to join John Lithgow, who, as Deadline reported exclusively, will be playing Professor Albus Dumbledore. More details at the link in bio. #McGonagall #Snape #SeverusSnaps #ProfessorMcGonagall