Kangaroo Jack is a 2003 buddy action comedy film directed by David McNally from a screenplay by Steve Bing and Scott Rosenberg with a story by Bing and Barry O'Brien. It is also produced by Jerry Bruckheimer with music by Trevor Rabin. 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, with Adam Garcia as the uncredited voice of the titular character.