Kangaroo Jack is a 2003 American buddy action comedy film, directed by David McNally, and written by Steve Bing and Scott Rosenberg. The film tells the story of two childhood friends who get caught up with the mob and are forced to deliver $50,000 to Australia, but things go haywire when the money is lost to a wild kangaroo. It stars Jerry O'Connell, Anthony Anderson, Estella Warren, Michael Shannon, and Christopher Walken. The score was composed by Trevor Rabin.