Főszereplők:
Matthew Fox – Jack Shephard
Evangeline Lilly – Kate Austin
Ian Somerhalder – Boone Carlyle
Dominic Monaghan – Charlie Pace
Jorge Garcia – Hugo Reyes
Maggie Grace – Shannon Rutherford
Malcolm David Kelley – Walt Lloyd
Naveen Andrews – Sayid Jarrah
Harold Perrineau Jr. – Michael Dawson
Josh Holloway – James Ford
Terry O'Quinn – John Locke
Daniel Dae Kim - Jin Kwon
Yoon-jin Kim – Sun Kwon
Emilie de Ravin – Claire Littleton