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