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