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