"Thorne" is the groundbreaking TV thriller based on Mark Billingham's best-selling crime novels, debuting on the UK's SKY1. The series stars David Morrisey (notorious villain "The Governor" on the global sensation "The Walking Dead") as Det. Thorne. The second installment, "Scaredycat," pits Thorne and DS Sarah Chen (Sandra Oh from "Grey's Anatomy") against two serial killers...working in tandem.