Harry Potter studio tour opens Various sets of the Harry Potter movie series are shown in the "The Making Of Harry Potter Studio Tour" at Warner Bros. Studios in London on March 15, 2012. The tour, featuring the sets to the eight movies, opens to the public on March 31, 2012. UPI/Rune Hellestad WATFORD, England, April 1 (UPI) -- Harry Potter fans were out in force and some of the movies' stars were present in Watford, England, for the grand opening of a Harry Potter studio tour. Potter stars Tom Felton, Rupert Grint and Bonnie Wright attended the launch Saturday of The Warner Brothers Studio Tour -- The Making of Harry Potter, USA Today reported. The tour will give followers of the film series an up-close view of some of the costumes, props, scenery, special effects and animatronics featured in the box office blockbusters. It also includes visits to sets for Dumbledore's office, Diagon Alley, the Ministry of Magic, the Gryffindor common room and the Great Hall of Hogwarts School, the newspaper said. "There are so many memories from in there and to share them with everyone is great," Grint, who played Ron Weasley, said. There are so many highlights but the model of the castle is out of this world.