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