Popsugar Entertainment Stranger Things Stranger Things Season 3 Cast Stranger Things Season 3: The Entire New and Returning Cast of Characters 3 January 2019 by Amanda Prahl View On One Page Photo 3 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 David Harbour The sheriff is still in town: Harbour returns for his third season as police chief Jim Hopper. Previous Next Start Slideshow Stranger ThingsTV