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