The show, which first premiered in 2015, revolves around a down on his luck lawyer, who ends up taking a case against a big corporation. In the final season, Thornton's Billy McBride returns to his Big Law roots after Patty (Nina Arianda) takes a job at a prestigious white-shoe law firm in San Francisco. Together, they try to take down one of America’s most insidious Goliaths: the opioid industry. ''Goliath'' also stars Tania Raymonde, Diana Hopper, Julie Brister, Bruce Dern, Brandon Scott, Jena Malone, and J.K. Simmons.