Focus Features has released the first trailer for Luke Greenfield's heartfelt new comedy Half Brothers. The film stars Luis Gerardo Méndez as Renato, a successful Mexican aviation executive who is shocked to discover he has an American half-brother he never knew about -- the free-spirited Asher (Connor Del Rio). The two very different half-siblings are forced on a road trip together to trace the path their ailing father took as an immigrant from Mexico to the U.S. Eduardo Cisneros and Jason Shuman co-wrote and produced the film, which co-stars Juan Pablo Espinosa, José …