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 Shannon Rutherford Ana Lucia Cortez 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 Mr. Eko Ethan Rom Alex Rousseau 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 Dave Isabella Tom Brennan