Mark Ruffalo and Alison Oliver star in Task, a new crime drama from Mare of Easttown creator Brad Ingelsby. (Peter Kramer | HBO)Mare of Easttown, which starred Kate Winslet as a small-town Pennsylvania police detective, was a terrific crime drama. But now Ingelsby is back with Task, a new drama set in Pennsylvania. Now, in Task, Ruffalo serves up his best small-screen role of all, as Tom Brandis, a former priest who’s now an FBI agent. When we meet Tom, he has a bit of a drinking problem, just as Winslet’s character did in Mare of Easttown.