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 Bernard Nadler Rose Nadler Charles Widmore Mr. Eko Alex Rousseau Ethan Rom Danielle Rousseau Libby Smith Keamy Nikki Fernandez Paulo Anthony Cooper Mr. Friendly (Tom) Mikhail Karl Dr. Arzt Gault (Freighter Cap Pickett Ilana Naomi
Walt Lloyd Original Character Sarah Liam Pace Kevin Callis Cassidy Annie Richard Malkin Helen Norwood Yemi Christian Shephard Tom Brennan Nadia Dave Isabella