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