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