Rupert Grint, Tom Felton and Evanna Lynch pose for a group photo inside the Harry Potter Studio Tour at the Warner Brothers Leavesden Studios in London on Thursday morning (March 29).

Some fans and the cast and crew got a look inside the studio tour before it officially opens this Saturday, March 31st.

Joining Evanna, Rupert and Tom at the grand opening will be some of the cast including Bonnie Wright, Warwick Davis, David Thewlis, David Heyman (producer), David Barron (producer), David Yates (director), Alfonso Cuaron (director) and Mike Newell (director).

Tom tweeted after seeing the place for the first time, “Just experienced the @WB_StudioTour for the first time….UNREAL! you will not be disappointed I assure you. It’s spectacular! x”

30+ pics inside…