Naveen Andrews Sayid Jarrah Actor Henry Ian Cusick Desmond Hume Actor Emilie de Ravin Claire Littleton Actor Michael Emerson Ben Linus Actor Matthew Fox Dr. Jack Shephard Actor Jorge Garcia Hugo "Hurley" Reyes Actor Josh Holloway James "Sawyer" Ford Actor Daniel Dae Kim Jin Kwon Actor Kim Yun-jin Sun Kwon Actor Evangeline Lilly Kate Austen Actor Elizabeth Mitchell Juliet Burke Actor Terry O'Quinn John Locke Actor Harold Perrineau Michael Dawson Actor Jeremy Davies Daniel Faraday Guest Star Rebecca Mader Dr. Charlotte Staples Lewis Guest Star Jeff Fahey Frank Lapidus Guest Star Alan Dale Charles Widmore Guest Star Sonya Walger Penny Widmore Guest Star Graham McTavish Sergeant Guest Star Darren Keefe Reiher Billy Guest Star Edward Conery Auctioneer Guest Star Marc Vann Doctor Guest Star Fisher Stevens George Minkowski Guest Star Kevin Durand Martin Keamy Guest Star Anthony Azizi Omar Idris Guest Star J.J. Abrams Executive Producer Damon Lindelof Executive Producer, Writer Bryan Burk Executive Producer Carlton Cuse Writer Jack Bender Director