Popsugar Entertainment Dear Evan Hansen Oldest Actors to Play Teens in Movies and TV 30 Actors Who Were Way Too Old to Play Teenagers on TV and in Films 25 May 2021 by Amanda Prahl View On One Page Photo 27 of 30 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 27 Rachel McAdams as Regina George in Mean Girls: 26 Years Old Rachel McAdams is famously 10 years younger than Amy Poehler, who played her mother. Previous Next Start Slideshow Dear Evan HansenMoviesTV