As with many of the rumored actors tapped for the Harry Potter series, Professor McGonagall's new actress could significantly ...

Meanwhile, the role of Professor Snape has supposedly been offered to Paapa Essiedu and the role of Minerva McGonagall offered to Sharon Horgan, though Rachel Weisz could also end up with the role.

Professor McGonagall is the Transfiguration teacher ... There's only one McGonagall moment better than her fight with Snape, and it's also from Harry Potter & the Deathly Hallows Part 2.