Matthew Fox Dr. Jack Shephard Actor Evangeline Lilly Kate Austen Actor Ian Somerhalder Boone Carlyle Actor Dominic Monaghan Charlie Pace Actor Jorge Garcia Hugo "Hurley" Reyes Actor Maggie Grace Shannon Rutherford Actor Malcolm David Kelley Walt Lloyd Actor Naveen Andrews Sayid Jarrah Actor Harold Perrineau Michael Dawson Actor Josh Holloway James "Sawyer" Ford Actor Terry O'Quinn John Locke Actor Daniel Dae Kim Jin Kwon Actor Kim Yun-jin Sun Kwon Actor Emilie de Ravin Claire Littleton Guest Star William Mapother Dr. Ethan Rom Guest Star Jenny Chang Rachel Guest Star Nick Jameson Richard Malkin Guest Star Keir O'Donnell Thomas Guest Star Barry Whitfield Slavitt Guest Star J.J. Abrams Executive Producer Damon Lindelof Executive Producer Bryan Burk Executive Producer Lynne E. Litt Writer Marita Grabiak Director