Onscreen: wise tracker Man-of-few-words Mr. Eko found an AWOL Michael (former Oz costar Perrineau) in the jungle. Offscreen: world traveler The actor, 38, grew up in England and Nigeria, studied law at the University of London and modeled in Milan. He's fluent in English, Italian, Yoruba and Swahili. "As I talked to people, I would copy their accents," he's said. Fun fact: He plays 50 Cent's drug-dealing mentor in Get Rich or Die Tryin'.