Kellan Christopher Lutz is an American actor and model. He made his film debut in Stick It. He is best known for playing Emmett Cullen in The Twilight Saga film series, and has since played Poseidon in the 2011 film Immortals, Tarzan in the 2013 animated film Tarzan, John Smilee in The Expendables 3, and Hercules in the 2014 film The Legend of Hercules.