Harry Potter and the Prisoner of Azkaban is a 2004 fantasy adventure film, based on the novel of the same name by J. K. Rowling. Directed by Alfonso Cuarón, it is the third film in the popular Harry Potter series. It stars Daniel Radcliffe as the teenage wizard Harry Potter, and Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. Gary Oldman and David Thewlis joined the cast as the new characters Sirius Black and Remus Lupin. In this movie, the role of Albus Dumbledore was played by Michael Gambon who took over from the late Richard Harris who died of Hodgkin's disease. Steve Kloves returned as screenwriter, while Chris Columbus (the director of the previous two films) became a producer, alongside David Heyman. The film was released on 31 May 2004 in the United Kingdom and on 4 June 2004 in the United States as the first film released into IMAX theaters.

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