Downton Abbey's Michelle Dockery is Agent Tough in the hottest new cop drama that's not at all anachronistic, Tough Justice. With a special guest voice appearance by Jon Hamm.Downton Abbey's Michelle Dockery is Agent Tough in the hottest new cop drama that's not at all anachronistic, Tough Justice. With a special guest voice appearance by Jon Hamm.Downton Abbey's Michelle Dockery is Agent Tough in the hottest new cop drama that's not at all anachronistic, Tough Justice. With a special guest voice appearance by Jon Hamm.