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 4 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Millie Bobby Brown as Eleven: 18 Years Old Brown, who is 18, is three years older than her 15-year-old character, Eleven. Previous Next Start Slideshow NetflixStranger ThingsFall TVCelebrity FactsTV