Ensemble Kate Austen Jack Shephard Claire Littleton James "Sawyer" Ford Ben Linus Desmond Hume Sayid Jarrah Sun Kwon Jin Kwon Richard Alpert MiB Miles Straume Frank Lapidus Hugo "Hurley" Reyes Juliet Burke Charlie Pace John Locke Ana Lucia Cortez Shannon Rutherford Daniel Faraday Boone Carlyle Michael Dawson Jacob Charlotte Lewis
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 Anthony Cooper Paulo Mikhail Mr. Friendly (Tom) Karl Dr. Arzt Pickett Ilana Naomi Gault (Freighter Cap
Walt Lloyd Original Character Sarah Liam Pace Kevin Callis Annie Richard Malkin Helen Norwood Yemi Cassidy Christian Shephard Tom Brennan Nadia Dave Isabella