Deadline is reporting that Robert Knepper (Prison Break, The Hunger Games: Mockingjay) has signed on to appear in the currently-in-production sequel Jack Reacher: Never Go Back. Knepper is set to play, “Gen. Harkness, a retired general-turned-CEO of a private military contractor firm [who is] described as a man of power, experience and authority who thinks he’s the hero and […]