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 1 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Sadie Sink as Max Mayfield: 20 Years Old At 20, Sink still manages to capture Max perfectly, despite their five-year age difference (Max is 15). Previous Next Start Slideshow NetflixStranger ThingsFall TVCelebrity FactsTV