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