It has been announced that Dawn French will play the role of a talking painting in 'Harry Potter and the Prisoner of Azkaban'.

The comic actress will appear in the third Harry Potter film as the Fat Lady, a painting on the walls of Hogwarts school.

'Harry Potter and the Prisoner of Azkaban', helmed by director Alfonso Cuarón ('Y Tu Mamá También' and 'A Little Princess'), began filming last month.

The DVD and video of the second film, 'Harry Potter and the Chamber of Secrets' will be released tomorrow.