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