Ensemble Kate Austen Jack Shephard Claire Littleton James "Sawyer" Ford Juliet Burke Ben Linus Desmond Hume Hugo "Hurley" Reyes Sun Kwon Sayid Jarrah Jin Kwon Richard Alpert Miles Straume Frank Lapidus MiB Charlie Pace John Locke Ana Lucia Cortez Shannon Rutherford Boone Carlyle Daniel Faraday Michael Dawson Charlotte Lewis Jacob
Aaron Littleton Penny Widmore The Monster Oceanic 6 The Others Vincent Rose Nadler Bernard Nadler Charles Widmore Mr. Eko Alex Rousseau Ethan Rom Danielle Rousseau Libby Smith Keamy Nikki Fernandez Paulo Anthony Cooper Mikhail Mr. Friendly (Tom) Karl Dr. Arzt Gault (Freighter Cap Pickett Ilana Naomi
Walt Lloyd Original Character Sarah Liam Pace Kevin Callis Annie Richard Malkin Helen Norwood Yemi Cassidy Christian Shephard Tom Brennan Nadia Dave Isabella