Filming is already underway on the fourth Harry Potter movie, Harry Potter and the Goblet of Fire, and Ralph Fiennes has been cast as the dreaded Lord Voldemort, Potter's lethal nemesis:

In the first three films, only Voldemort's spirit has been visible, but he returns in the flesh for the first time in the fourth movie.

Miranda Richardson will play journalist Rita Skeeter in the 2005 release.

Daniel Radcliffe returns as the boy wizard Harry Potter, along with co-stars Rupert Grint and Emma Watson, who play his friends Ron Weasley and Hermione Granger.

Brendan Gleeson, who stars in Troy, Cold Mountain and the M Night Shyamalan film The Village, has been cast as Potter's new defence against the dark arts teacher, Mad-Eye Moody.

Katie Leung will play Potter's love interest, Cho Chang.

Harry Potter and the Goblet of Fire is being directed by Mike Newell, who also directed hit comedy Four Weddings and A Funeral.

....Harry Potter and the Prisoner of Azkaban topped the North American box office for [June] by a wide margin, taking $217.2m (£118m).

Author JK Rowling recently revealed the title of the sixth book in the Harry Potter series - Harry Potter and the Half Blood Prince. [BBC]