Just before tomorrow's world premiere in London, the cast and crew of "Deathly Hallows: Part 1" gathered at Claridge's Hotel to celebrate the film's impending release as well as Warner Bros. recent purchase of Leavesden Studios.

Actors in attendance included Daniel Radcliffe (Harry Potter), Rupert Grint (Ron Weasley), Emma Watson (Hermione Granger), Bonnie Wright (Ginny Weasley), Tom Felton (Draco Malfoy), Jason Isaacs (Lucius Malfoy), and Nick Moran (Scabior).

Also present were filmmakers David Heyman (producer), David Barron (producer), David Yates (director), and Alfonso Cuaron (director of HP3).

More than 100 images of the photocall that took place are available in the gallery.Some preview images are below:Photocall: Harry Potter Cast and Crew Celebrate WB Purchase of Leavesden Studios