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