The cast of HBO's upcoming Harry Potter show is of the utmost importance, and now that HBO has revealed who they are eying to play Snape, now is as good a time as any to see what the source ...

Clockwise Top L-R: Maggie Smith as Professor Minerva McGonagall, Alan Rickman Professor Snape, Paapa Essiedu and Janet McTeer Everett/Getty/Shane Nelson EXCLUSIVE: HBO is closing in on two more ...