How many movies have Abbie Cornish and Leigh Whannell collaborated on?

They have worked on 2 movies together! Their first movie together was One Perfect Day (2004) while their highest rated movie together was Legend of the Guardians: The Owls of Ga'Hoole (2010). They have not worked together since Legend of the Guardians: The Owls of Ga'Hoole (2010).