“ Reacher ” has been renewed for Season 5 ahead of its fourth season premiere. The action series starring Alan Ritchson is one of the most popular programs on Amazon Prime Video, where Season 3 captured 54.6 million viewers globally on Prime Video in its first 19 days, according to the streamer. Under that metric, “Reacher” earned the most-watched season on the service since “Fallout” Season 1. The upcoming Season 4 is based on the 13th book in Lee Child’s “Jack Reacher” book franchise, titled “Gone Tomorrow.” “When a chance encounter with a distraught stranger on a subway goes horribly wrong, Jack Reacher is drawn into a complex and deadly game that pits him against ruthless foes from the highest echelons of power,” according to the logline. Additions to the cast include Chris Marquette, Sydelle Noel, Agnez Mo, Anggun, Kevin Weisman, Marc Blucas, Kevin Corrigan and Kathleen Robertson.…