Mark Ruffalo bites into the juiciest of actor buffets in "I Know This Much is True," portraying twin brothers, one of whom is a paranoid schizophrenic. Once you get past the soapy title, this six ...

HBO’s miniseries ‘I Know This Much Is True’ breaks Mark Ruffalo—in the best way Mark Ruffalo and director Derek Cianfrance wanted a project to match their ambitions for the next phase of ...