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