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