Legend of the Guardians: The Owls of Ga'Hoole is a 2010 American-Australian 3D computer-animated epic family action fantasy-adventure film based on the Guardians of Ga'Hoole series by Kathryn Lasky. Zack Snyder directed the film as an animation debut, Zareh Nalbandian produced the film, John Orloff and Emil Stern wrote the film, with Jim Sturgess, Hugo Weaving, Joel Edgerton, Abbie Cornish, Geoffrey Rush, Emily Barclay, Helen Mirren, Ryan Kwanten, Anthony LaPaglia, and David Wenham voicing the characters set in Pre-Aboriginal Australia and music composed by David Hirschfelder and Adam Young from Owl City. Warner Bros. distributed the film with the Australian companies Village Roadshow Pictures and Animal Logic, the latter having produced visual effects for Happy Feet. Production took place in Australia, and the film was released in RealD 3D and IMAX 3D on September 24, 2010. The film grossed $140.1 million on a $80 million budget.