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