Which actors would you like to see in a scifi or superhero movie? For superhero movies it's the latest trend sweeping Hollywood. Even veterans like Robert Redford are getting into it. Someone brought up Matthew mcconaughey. He could be a good Gambit Dicaprio was rumored to play Peter Parker before Maguire was cast. Dicaprio might have even tossed the role to Maguire. They're best friends Jake Gyllenhaal could be a good Green Lantern Has Meryl Streep ever done a scifi movie? or is that beneath her?