A Guide For the New and Returning Characters in "Grey's Anatomy" Season 19

Williams reprised his role as Dr. Jackson Avery on the Nov. 3 episode of season 19, "When I Get to the Border," which he also directed. "I love the family that I have on that show. So that's always going to be a form of home base for me," he told People ahead of its premiere. "And I'll always answer their call."