시즌 정규 출연진 14

1. 

   Matthew Fox

   Jack Shephard

2. 

   Evangeline Lilly

   Kate Austen

3. 

   Terry O'Quinn

   John Locke

4. 

   Josh Holloway

   James Sawyer

5. 

   Jorge Garcia

   Hurley Reyes

6. 

   Malcolm David Kelley

   Walt Dawson

7. 

   Naveen Andrews

   Sayid Jarrah

8. 

   Dominic Monaghan

   Charlie Pace

9. 

   Ian Somerhalder

   Boone Carlyle

10. 

    Harold Perrineau

    Michael Dawson

11. 

    Yunjin Kim

    Sun-Hwa Kwon

12. 

    Daniel Dae Kim

    Jin-Soo Kwon

13. 

    Maggie Grace

    Shannon Rutherford

14. 

    Emilie de Ravin

    Claire Littleton

특별출연 3

1. 

   Charles Mesure

   Bryan

2. Adam Leadbeater

   Malcolm

3. 

   Kelly Rice

   Nicole

제작진 7