Mark Ruffalo stars alongside Mark Ruffalo in HBO’s newest series, “I Know This Much is True.” Ruffalo goes to a new depth in this show, departing from his well-known true crime roles. Such films like David Fincher’s masterpiece, “Zodiac” where he plays a do-good detective, the 2016 best picture winner “Spotlight,” and his latest foray into the genre in “Dark Waters.” Ruffalo plays a similar somber