Director: Sean Anders Starring: Will Ferrell, Mark Wahlberg, Linda Cardellini, Thomas Haden Church, Scarlett Estevez, Owen Vaccaro, Bobby Cannavale Written by: Sean Anders, John Morris and (also story) Brian Burns Running Time: 96 mins Cert: 12A Release date: 26th December 2015 The eternal battle of who is best, Stepdad or real dad, is examined in…