Mark Ruffalo leads HBO’s new series Task as FBI agent Tom Brandis. To prepare for the role, he trained with retired FBI agent Scott Duffey. Shot in Philadelphia, the seven-episode drama also stars Tom Pelphrey, Emilia Jones, Thuso Mbedu, and more

Per outlet, Mark Ruffalo has been cast in Being Heumann, helmed by Oscar-winning director Sian Heder. The `13 going 30` actor will portray Joseph Califano in the film