While touring The Wizarding World of Harry Potter, film stars Emma Watson, Robbie Coltrane, James and Oliver Phelps and Matthew Lewis explored the corridors of Hogwarts castle. The iconic location is home to Harry Potter and the Forbidden Journey, the marquee attraction of The Wizarding World of Harry Potter. The group was invited for a sneak peek of the immersive environment before it officially grand opens on June 18. © 2010 Universal Orlando Resort. All rights reserved. HARRY POTTER, characters, names and related indicia are trademarks of and © Warner Bros. Entertainment Inc. Harry Potter Publishing Rights © JKR. (s10)