The Change-Up (Also Known As: El cambiazo ) is a Comedy Fantasy film directed by David Dobkin and written by Jon Lucas, Scott Moore. It released on 5 August 2011 (USA). The film stars Jason Bateman, Ryan Reynolds, Olivia Wilde. Dave is a married man with three kids and a loving wife, and Mitch is a single man who is at the prime of his sexual life. One fateful night while Mitch and Dave are peeing in a fountain, lightning strikes and they switch bodies.