Ensemble Kate Austen Jack Shephard Claire Littleton James "Sawyer" Ford 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 Daniel Faraday Shannon Rutherford Michael Dawson Charlotte Lewis Jacob Boone Carlyle
Aaron Littleton Penny Widmore Oceanic 6 The Others Rose Nadler Bernard Nadler Charles Widmore Vincent The Monster Mr. Eko Danielle Rousseau Alex Rousseau Keamy Nikki Fernandez Karl Gault (Freighter Cap Ilana Libby Smith Ethan Rom Mr. Friendly (Tom) Pickett Anthony Cooper Mikhail Paulo Dr. Arzt Naomi
Walt Lloyd Original Character Liam Pace Sarah Cassidy Yemi Richard Malkin Kevin Callis Annie Helen Norwood Christian Shephard Nadia Tom Brennan Isabella Dave