This from www.harrypotter.com the offical site of harry potter.

Thanks to www.harrypotter.com for the info.

Harry Potter and the Prisoner of Azkaban's Alfonso Cuaron previously directed "A Little Princess" and "Great Expectations."

Harry Potter and the Prisoner of Azkaban Photos!
Aug 4, 2003 GMT

HarryPotter.com from the upcoming theatrical film, Harry Potter and the Prisoner of Azkaban. Shooting is continuing in the United Kingdom, with this film being directed by Alfonso Cuaron. The film will hit theatres in the United States on june 4 2004 , until then we hope these photos whet your appetites.

Click here to see the article with images

DANIEL RADCLIFFE as Harry Potter (Daniel Radcliffe) encounters the Knight Bus and its conductor Stan Shunpike (Lee Ingleby)
Photo: Murray Close

Hermione Granger (Emma Watson), points her wand at Draco Malfoy (Tom Felton), as Vincente Crabbe (Jamie Waylett) and another Slytherin wizard (Bronson Webb) look on.
Photo: Murray Close

Professor McGonagall (Dame Maggie Smith) addresses Harry Potter as Hermione and Ron Weasley (Rupert Grint) look on.
Photo: Murray Close

To see the pictures you have to visit the official site.