Popsugar Celebrity Netflix How Old Is the Grand Army Cast? So, Are the Teenagers in Grand Army Played by Actual Teenagers? 17 October 2020 by Amanda Prahl View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 How Old Is Odessa A'Zion, aka Joey? 21 Previous Next Start Slideshow NetflixGrand ArmyTV