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 2 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Finn Wolfhard Wolfhard is back as Mike Wheeler, one of the show's main protagonists (and newly in a relationship with Eleven!). Previous Next Start Slideshow Stranger ThingsTV