Actor, comedian, writer and executive producer Denis Leary makes a television return for season two of his rock comedy, "Sex&Drugs&Rock&Roll," Thursday night. The series follows the story of a dysfunctional band that reunites. Leary plays Johnny Rock, a "delicious mess" of a character who is a washed-up rock star in the 1990s. "One of the things I love about playing this guy is that he's the loser.