WGN America‘sManhattan Cast Image_Final original scripted series Manhattan will premiere on Sunday July 27 at 10 PM ET. From writer Sam Shaw and director Thomas Schlamme, Skydance TV, Tribune Studios and Lionsgate TV, the 13-episode series is set against the backdrop of the clandestine mission to build the world’s first atomic bomb in Los Alamos, NM and follows the brilliant but flawed scientists and their families. John Benjamin Hickey, Olivia Williams, Daniel Stern, Ashley Zukerman, Katia Herbers, Christopher Denham, Harry Lloyd, Michael Chernus, Rachel Brosnahan and Eddie Shin star. Manhattan is executive produced by Shaw, Schlamme, David Ellison, Dana Goldberg, Marcy Ross and Dustin Thomason.