EXCLUSIVE: Lizzy Caplan ( Fleishman is in Trouble , Masters of Sex ) has joined the cast of Apple TV ‘s The Morning Show for Season 5. She will play Gwen, a passionate and uncompromising Broadway theater director. Caplan is the latest big-name recurring cast addition to Season 5, following Jeff Daniels, Reneé Rapp, Jesse Williams, and Sean Hayes. Plot details for Season 5 are under wraps. The Morning Show  explores the cutthroat world of morning news and the lives of the people who help America wake up in the morning. It explores the unique challenges faced by the women and men who carry out this daily televised ritual. The series stars Reese Witherspoon and Jennifer Aniston, who also executive produce, as well as Billy Crudup, Mark Duplass, Nestor Carbonell, Karen Pittman, Nicole Beharie, and Jon Hamm. Watch on Deadline Season 4 took place in spring 2024, almost two years after the events of Season 3.…