Series Cast 37

1. 

   Donnie Wahlberg

   Detective Joel Stevens (6 Episodes)

2. 

   Neal McDonough

   Assistant District Attorney David McNorris (6 Episodes)

3. 

   Mykelti Williamson

   Police Department Detective II Bobby 'Fearless' Smith (6 Episodes)

4. 

   Gary Basaraba

   Police Department Police Officer III Ray Hechler (6 Episodes)

5. 

   Lana Parrilla

   Teresa Ortiz, paramedic in season one, rookie police officer in season two (6 Episodes)

6. 

   Jason Gedrick

   Police Department Police Officer II Tom Turcotte (6 Episodes)

7. 

   Vanessa Williams

   Detective Katherine Pierce (6 Episodes)

8. 

   Kelly Hu

   Rachel Durrel (2 Episodes)

9. 

   Megan Ward

   Kelly Stevens (2 Episodes)

10. 

    Dorian Harewood

    Captain Ronald Hicks (2 Episodes)

11. 

    J.C. Brandy

    Chandler (1 Episode)

12. 

    LeVar Burton

    Marvin Lloyd (1 Episode)

13. 

    Daniel Zacapa

    Carlos Ramirez (1 Episode)

14. 

    Stacy Keach

    Jack 'Mac' McNorris (1 Episode)

15. 

    Virginia Madsen

    Erika Ashland (1 Episode)

16. 

    Cody Kasch

    Trevor 'T.J.' Jankowski Jr. (1 Episode)

17. 

    Beau Billingslea

    Police Academy Commandant (1 Episode)

18. 

    Alimi Ballard

    Young Marvin Lloyd (1 Episode)

19. 

    Kate Flannery

    Tracey (1 Episode)

20. 

    Trent Cameron

    Bernie Leonard (1 Episode)

21. 

    Howard Hesseman

    Mel Castle (1 Episode)

22. 

    Stephen Macht

    John Donadoni (1 Episode)

23. 

    Wade Williams

    Paul Barnes (1 Episode)

24. 

    Ken Davitian

    Jewelry Store Owner (1 Episode)

25. 

    Katee Sackhoff

    Holly (1 Episode)

26. 

    Fran Bennett

    Beatrice Rahming (1 Episode)

27. 

    Michael Paul Chan

    Lobo Chan (1 Episode)

28. 

    Jason George

    Thomas Paltrow (1 Episode)

29. 

    Doug Hutchison

    Wally Pollard (1 Episode)

30. 

    Nigel Gibbs

    Alex Leonard (1 Episode)

31. Dempsey Pappion

    Young Greg Haymer (1 Episode)

32. 

    Lombardo Boyar

    Eddie (1 Episode)

33. 

    Michael Dempsey

    Recovering drunk (1 Episode)

34. 

    Bobby Hosea

    Greg Haymer (1 Episode)

35. 

    Anthony Montgomery

    Recruit Dwight Baker (1 Episode)

36. Dakota Floeter

    Young Wally Pollard (1 Episode)

37. 

    Mark Totty

    Chip Pollard (1 Episode)

Series Crew 12