Adam Brody, cast as the Flash, is the biggest star in the superhero lineup. Rapper Common nabbed the Green Lantern role; other roles went to lesser-known thesps such as Armie Hammer Jr. (Batman) and Megan Gale (Wonder Woman)....says THIS ARTICLE in Variety. So, there you have it. For better or worse, come what may. Take a breath and buckle in....'cause here we go.