Get ready to learn a lot more about lawman Jim Hopper’s daughter in the upcoming second season of Netflix’s “ Stranger Things .” David Harbour , who plays Hopper on the series, told TV Guide that his character’s daughter will “be the primary focus” of the season. “Hopper’s daughter will be the primary focus of Season 2, but not in the way that you think it will be,” Harbour said. “Hopper’s understanding of that relationship and Hopper’s understanding of being a father and of being a man grows deeper and deeper in Season 2, and we get a lot of time to explore what.