Professor Albus Dumbledore is a role that has already been shared by three actors in the Harry Potter movies, and by recasting the Hogwarts Headmaster in the upcoming TV show, HBO can rectify one of the biggest inconsistencies with how the character has been treated in live-action. Originally played by Richard Harris in the first two movies, the actor's passing in 2002 resulted in Michael Gambon taking over as the rest of J.K. Rowling's books were adapted for the big screen.

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