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