Definitely, Maybe and The Proposal star Ryan Reynolds plays the lead role in the upcoming DC Comics movie Green Lantern. The movie's plot tells the story of how a test pilot named Hal Jordan was granted a mystical green ring that hold powers to protect the universe. Gossip Girl star Blake Lively plays the role of Carol Ferris, who is the childhood sweetheart of Hal. At the Warner Bros. CinemaCon panel, Blake says that she never thought she would be an actress at all. She was so into school and considered taking up acting before she got the spot in Sisterhood of the Traveling Pants.