High Quality Content by WIKIPEDIA articles! Legend of the Guardians: The Owls of Ga`Hoole is a 2010 American-Australian computer-animated fantasy film based on the first three books of the Guardians of Ga`Hoole series by Kathryn Lasky. Zack Snyder directed the film, with Jim Sturgess, Geoffrey Rush, Emily Barclay, Helen Mirren, Ryan Kwanten, Anthony LaPaglia, and David Wenham voicing the characters.