Question: Who played sirius black in prisoner of azkaban?

context: Harry Potter and the Prisoner of Azkaban is a 2004 fantasy film directed by Alfonso Cuarón and distributed by Warner Bros. Pictures. It is based on J. K. Rowling's 1999 novel of the same name. The film, which is the third instalment in the "Harry Potter" film series, was written by Steve Kloves and produced by Chris Columbus, David Heyman, and Mark Radcliffe. The story follows Harry Potter's third year at Hogwarts as he is informed that a prisoner named Sirius Black has escaped from Azkaban and intends to kill him. The film stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. It also features well-known actors in supporting roles, including Gary Oldman as Sirius Black, David Thewlis as Professor Lupin, Michael Gambon as Albus Dumbledore, Emma Thompson as Sybill Trelawney and Timothy Spall as Peter Pettigrew. It is the sequel to "Harry Potter and the Chamber of Secrets" and is followed by "Harry Potter and the Goblet of Fire".
question: Who is the human actor who played sirius black in prisoner of azkaban?
short_answers: Gary Oldman
context: No context provided
question: Who played sirius black in his animagus form prisoner of azkaban?
short_answers: black dog

Answer: In the 2004 film Harry Potter and the Prisoner of Azkaban, Sirius Black was played by both a human actor—English actor and filmmaker Gary Oldman—and a black dog, which played Sirius Black in his animagus form.