Gambon replaces the late Richard Harris as Albus Dumbledore, Hogwarts’ headmaster, in this adventure film directed by Alfonso Cuaron based on the book by J.K. Rowling. Dumbledore tries his best to keep his students safe while aiding the Ministry of Magic in locating an escapee from Azkaban by allowing Dementors on campus. Co-starring Robbie Coltrane, Dan Radcliffe, and Maggie Smith.
My first action when I got on the set was to go up a flight of stairs to a picture on the wall, and so I ran up the stairs,” Gambon explained. And the costume department [said to me], ‘You shouldn’t be doing that, because Richard wouldn’t run up the stairs.’ So I ran faster.