Zack Snyder Confirms Ryan Choi was in Justice League September 18, 2018 | Posted in The Film Junkee | No comments Yep. Ryan Choi, who eventually becomes The Atom, was in Justice League. Zack Snyder confirmed it on Vero, which just shows you how much this movie was going to open doors to this universe. Share this: Share Facebook Twitter Reddit LinkedIn Pinterest Tagged: justice league, justice league movie, justice league Snyder cut, snyder cut, zack snyder, zack snyder justice league