Professors at Hogwarts:
* Albus Dumbledore: Played by Richard Harris (first two films) and Michael Gambon (remaining films)
* Minerva McGonagall: Played by Maggie Smith
* Severus Snape: Played by Alan Rickman
* Rubeus Hagrid: Played by Robbie Coltrane
* Remus Lupin: Played by David Thewlis
* Gilderoy Lockhart: Played by Kenneth Branagh
* Sybill Trelawney: Played by Emma Thompson
* Pomona Sprout: Played by Miriam Margolyes
* Filius Flitwick: Played by Warwick Davis
* Horace Slughorn: Played by Jim Broadbent
* Dolores Umbridge: Played by Imelda Staunton
Other professors:
* Professor Quirrell: Played by Ian Hart (who was also possessed by Lord Voldemort)
* Professor Binns: Played by Roger Lloyd-Pack
This list includes some of the most significant professors in the Harry Potter universe, and it highlights the incredible cast that brought these characters to life on the big screen.