시즌 정규 출연진 14

1. 

   Matthew Fox

   Jack Shephard

2. 

   伊万杰琳·莉莉

   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. 

   多米尼克·莫纳汉

   Charlie Pace

9. 

   伊恩·萨默海尔德

   Boone Carlyle

10. 

    Harold Perrineau

    Michael Dawson

11. 

    金允珍

    Sun-Hwa Kwon

12. 

    Daniel Dae Kim

    Jin-Soo Kwon

13. 

    Maggie Grace

    Shannon Rutherford

14. 

    Emilie de Ravin

    Claire Littleton

특별출연 9

1. 

   Fredric Lehne

   Edward Mars

2. 

   M.C. Gainey

   Tom Friendly

3. 

   Mira Furlan

   Danielle Rousseau

4. 

   丹尼尔·罗布克

   Leslie Arzt

5. 

   Jonathan Dixon

   JD

6. 

   Suzanne Turner

   Ticket Agent

7. Terasa Livingstone

   Lily

8. 

   Wendy Braun

   Gina

9. 

   Michelle Arthur

   Michelle

제작진 7