Harry Potter and the Prisoner of Azkaban (film) intending 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 Remus Lupin, Michael Gambon (in his debut in the role of 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". The film was released on 31 May 2004 in
Harry Potter Alliance their iReporter site, the Harry Potter Alliance asked members to upload submissions showing their love for Harry Potter while holding signs that said, "Save Darfur." Then, in 2008, the HPA asked members to withhold support for sponsors of the 2008 Summer Olympics who were "implicitly funding the genocide in Darfur through overseas investments." In conjunction with the release of the "Harry Potter and the Half-Blood Prince" film in 2009, the organisation launched a "What Would Dumbledore Do" campaign, asking fans to tweet about the lessons they learned from Harry Potter's headmaster Albus Dumbledore using #dumbledore, attend the film release wearing