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