Photo of Mark Williams Mark Williams

Mark Williams in Harry Potter and the Prisoner of Azkaban

Harry Potter and the Prisoner of Azkaban

2004 PG

In his third year at Hogwart's, Harry faces extreme danger yet again when Voldemort sympathizer Sirius Black escapes from prison to hunt down Harry. In a bid for help, Harry turns to sympathetic Professor Lupin -- but will it be enough?

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