Email a copy of "Harry Potter Fans Can Win Movie Role" to a friend.
Harry Potter fans will get a chance to compete for a walk-on role in the schoolboy wizard's next film.
The winner of an online quiz is to appear in the forthcoming blockbuster Harry Potter And The Half-Blood Prince.
Starting today, questions about JK Rowling's best-selling stories will be posted on the MSN website.
A new question will...
