Harry Potter's third year at Hogwarts starts off badly when he learns deranged killer Sirius Black has escaped from Azkaban prison and is bent on murdering the teenage wizard. While Hermione's cat torments Ron's sickly rat, causing a rift among the trio, a swarm of nasty Dementors is sent to protect the school from Black. A mysterious new teacher helps Harry learn to defend himself, but what is his secret tie to Sirius Black? starring Daniel Radcliffe, Rupert Grint, Emma Watson, Julie Christie, Robbie Coltrane, Michael Gambon, Richard Griffiths, Gary Oldman, Alan Rickman, Fiona Shaw, Maggie Smith, Timothy Spall, David Thewlis, and Emma Thompson; also starring David Bradley, Tom Felton, Pam Ferris, Dawn French, Robert Hardy, Julie Walters, and Mark Williams. Alfonso Cuarón directs from the screenplay by Steve Kloves; Based on the 1999 Bloomsbury novel by J.K. Rowling [the series' 5th installment "the Order of the Phoenix" was published as of 02/4/03]. Produced by David Heyman, Chris Columbus and Mark Radcliffe • Executive Producers: Michael Barnathan, Callum McDougall and Tanya Seghatchian. Music and original themes by John Williams • includes the song "A Winter's Spell"; and his composition "Double Trouble" includes a performance by the London Sinfonietta; Soundtrack on Warner Sunset/Atlantic. Prod VFX Supervisors: Roger Guyett and Tim Burke • SVFX & Animation by ILM. a Heyday Films/1492 Pictures/P of A Productions production of a Warner Bros. Pictures presentation. an Alfonso Cuarón film. Filmed on location in England and Scotland and at studios of Leavesden and Shepperton, London from February 17 - November 28, 2003 using ARRI Cameras and Lenses from JDC. N.A.: 6/4/04 Approved [No. 40749]/rated PG for frightening moments; creature violence; and mild language. This motion picture: © 2004 P of A Productions Limited • Screenplay: © 2004 Warner Bro. Entertainment Inc. • Original Score: © 2004 Warner-Barham Music, LLC. All rights reserved. all 'Harry Potter'-related indicia ™ & © Warner Bros. All rights reserved. / Publishing Rights © J.K. Rowling