시즌 정규 출연진 15

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. 

   Michael Emerson

   Benjamin Linus

7. 

   Naveen Andrews

   Sayid Jarrah

8. 

   Jeff Fahey

   Frank Lapidus

9. 

   Henry Ian Cusick

   Desmond Hume

10. 

    Nestor Carbonell

    Richard Alpert

11. 

    Yunjin Kim

    Sun-Hwa Kwon

12. 

    Daniel Dae Kim

    Jin-Soo Kwon

13. 

    Emilie de Ravin

    Claire Littleton

14. 

    Ken Leung

    Miles Straume

15. 

    Zuleikha Robinson

    Ilana Verdansky

특별출연 10

1. 

   Rebecca Mader

   Charlotte Lewis

2. 

   Alan Dale

   Charles Widmore

3. 

   Jodi Lyn O'Keefe

   Ava

4. 

   Neil Hopkins

   Liam Pace

5. 

   Frederick Koehler

   Seamus

6. 

   Kimberley Joseph

   Cindy Chandler

7. 

   Sheila Kelley

   Zoe

8. Kiersten Havelock

   Emma

9. Mickey Graue

   Zack

10. 

    Allen Cole

    Sergeant

제작진 3