Season Regulars 5

1. 

   Anthony LaPaglia

   Jack Malone

2. 

   Poppy Montgomery

   Samantha Spade

3. 

   Marianne Jean-Baptiste

   Vivian Johnson

4. 

   Enrique Murciano

   Danny Taylor

5. 

   Eric Close

   Martin Fitzgerald

Guest Stars 14

1. 

   Billy Lush

   Randell Bowen

2. 

   Andrew Bryniarski

   Beast

3. 

   Dean Norris

   Tim Orley

4. 

   Cyril O'Reilly

   Kansas Dowel

5. 

   Anne Ramsay

   Laura MacAvoy

6. 

   Jenny Gago

   Hilary Gutierrez

7. 

   Corey Reynolds

   Damon Ferris

8. 

   Dave Florek

   Professor

9. 

   Jeremy Davidson

   James MacAvoy

10. 

    Damien Leake

    Chaplain

11. Faye Jackson

    Stephanie D'Angelo

12. 

    Rob Brownstein

    Parole Commissioner

13. Reggie Jordan

    Guard #1

14. 

    Joe Cappelletti

    Guard #2

Crew 1