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