The Nut Job is a 2014 animated comedy film directed by Peter Lepeniotis, who also wrote the film with Lorne Cameron. It stars the voices of Will Arnett, Brendan Fraser, Liam Neeson, Katherine Heigl, Stephen Lang, Jeff Dunham, Gabriel Iglesias and Sarah Gadon. The film is loosely based on Lepeniotis' 2005 short animated film Surly Squirrel.