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