Four Green Lantern Posters Debut! Get a load of the new character one-sheets from the upcoming superhero film starring Ryan Reynolds. Brian B. — July 26, 2010 in Movie News Facebook Twitter Reddit Email Comment Warner Bros. has unleashed four new character posters for their upcoming superhero flick, Green Lantern. The posters feature Ryan Reynolds as Green Lantern, Blake Lively as Carol Ferris, Mark Strong as Sinestro and Peter Sarsgaard as Hector Hammond. Take a look! RELATED: Zack Snyder's Original Steppenwolf Design Was Too Scary for Justice League Topics: Justice League, Green Lantern Brian B.