Green Lantern is a 2011 American superhero film directed by Martin Campbell, from a screenplay by Greg Berlanti, Michael Green, Marc Guggenheim, and Michael Goldenberg. Ryan Reynolds stars as Hal Jordan / Green Lantern, a test pilot who is selected to become the first human member of the Green Lantern Corps, an intergalactic police force. He is given a ring that grants him superpowers and must confront Parallax, a being who threatens to upset the balance of power in the universe. The film also stars Blake Lively, Peter Sarsgaard, Mark Strong, Angela Bassett, and Tim Robbins.