Elenco Principal da Temporada 4

1. 

   Vincent D'Onofrio

   Robert Goren

2. 

   Kathryn Erbe

   Alexandra Eames

3. 

   Courtney B. Vance

   Ron Carver

4. 

   Jamey Sheridan

   James Deakins

Convidados Especiais 25

1. 

   Devin Ratray

   Kenny Miles

2. 

   Leslie Hendrix

   Elizabeth Rodgers

3. 

   Amelia Campbell

   Vicki Hale

4. Jim DeMarse

   Dr. May

5. 

   Martin Rayner

   Reverend Dowland

6. 

   Jon Krupp

   Paul French

7. 

   Andrew Benator

   Dr. Butler

8. 

   David Andrew MacDonald

   Dr. Whitburn

9. 

   Nadine Mozon

   Chesley Duncan

10. Michael Dalby

    Sergeant O'Malley

11. Sandy Binion

    Marie Barker

12. Richard Gnolfo

    Transit Officer Vargas

13. L.B. Williams

    Bill

14. 

    Geoffrey Lewis

    Butch Perkins

15. Rosemary De Angelis

    Melanie

16. 

    Paul Lazar

    Donald

17. 

    Rutanya Alda

    Rose Cahill

18. David Lenthall

    Charlie

19. 

    Angel Caban

    Taylor

20. 

    Russell G. Jones

    Gil

21. 

    Matthew Maher

    Bo

22. T.J. Edwards

    Lee

23. 

    Bruce Smolanoff

    Alan Richards

24. 

    Jennifer Shirley

    Lucia

25. Marko

    Dave

Equipa Técnica 2