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 5 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Caleb McLaughlin McLaughlin returns as Lucas Sinclair, following a love triangle storyline in the second season. Previous Next Start Slideshow Stranger ThingsTV