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