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