Hunters is executive produced by The Walking Dead‘s Gale Anne Hurd, has been canceled after a single season. The series, based on Whitley Strieber’s bestselling 2013 novel Alien Hunter, premiered April 11 and starring Nathan Phillips, Britne Oldford and Julian McMahon. Written by Natalie Chaidez , the harsh series chronicled the disappearance of a decorated Philadelphia cop’s wife, which leads him to a secret government unit assembled to hunt a group of ruthless terrorists — shadowy figures that may or may not be from this world.