Popsugar Celebrity Netflix How Old Are the Cast Members of Stranger Things? The "Stranger Things" Cast Members Are a Lot Older Than Their Characters 30 May 2022 by Britt Stephens View On One Page Photo 9 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Charlie Heaton as Jonathan Byers: 28 Years Old Heaton, who is 28, plays 18-year-old Jonathan Byers in "Stranger Things" season four. Previous Next Start Slideshow NetflixStranger ThingsFall TVCelebrity FactsTV