Thousands of fans gathered in Leicester Square ahead of the event hoping for a glimpse of Daniel Radcliffe, 21, Emma Watson, 20, and Rupert Grint, 22, who play Harry and his best friends Hermione and Ron in all eight films. The stars of Harry Potter hit the red carpet in London Thursday for the world premiere of the first of two films resolving the boy wizard's adventures, after a decade in the roles that made their fortunes. attend the World Premiere of their latest film 'Harry Potter And The Deathly Hallows: Part One' in Leicester Square, central London on November 11, 2010. Daniel Radcliffe (L), Emma Watson, (C) and Rupert Grint pose for photographers as they arrive to.
