Jason Sudeikis was originally attached to star. On July 15, 2015, Owen Wilson and Ed Helms were cast to play the brothers, while Broderick Johnson and Andrew Kosove were also set to produce the film, through Alcon. J. K. Simmons and Terry Bradshaw also joined the cast on August 13, 2015, to play the lead characters' potential biological fathers, with Bradshaw playing himself. On August 18, 2015, Ving Rhames signed on to play Rod Hamilton, a friend and ex-teammate of football player Bradshaw. On September 11, 2015, Katt Williams joined the cast, on September 17, 2015, Glenn Close was in final negotiations to join the film, and on October 7, 2015, Katie Aselton was also in final talks to sign on. On October 22, 2015, Zachary Haven also joined the cast.
