The Internet Movie Database has listed Fiona Shaw, who plays Harry's Aunt Petunia in the Harry Potter films, to reprise her role in the forthcoming Half-Blood Prince.

Actor Richard Griffiths, who plays Vernon Dursley, stated months ago that he will not return for the sixth film to play Harry's uncle, so he will not be seen in the beginning of the film, in which Harry and Professor Dumbledore speak to the Dursleys before leaving Number Four, Privet Drive.

We are currently unaware of whether or not Harry Melling, who plays Harry's cousin Dudley, will be back as well, but will update when we receive information on the news. We do however know that the actor was present at the Half-Blood Prince wrap party.

Harry Potter and the Half-Blood Prince hits theatres November 21, 2008.