Season Regulars 4

1. 

   Roxy Sternberg

   Sheryll Barnes

2. 

   Alexa Davalos

   Kristin Gaines

3. 

   Keisha Castle-Hughes

   Hana Gibson

4. 

   Miguel Gómez

   Ivan Ortiz

Guest Stars 28

1. 

   Terry O'Quinn

   Byron LaCroix

2. 

   Jennifer Landon

   Sarah Allen

3. Liam James McGettigan

   Erik Perwin

4. Laura Leigh Turner

   Eden Cunningham

5. 

   Will Dagger

   Jericho Brown

6. 

   Grayson Berry

   Dr. Rueben Palomino

7. 

   Mark Torres

   Dr. Joseph Grossman

8. Gabriela Campo

   Callie

9. 

   Nina Kassa

   Vaughn

10. Wilson Aldas

    Stu

11. Sophia Parola

    Mindy

12. 

    Deborah Rennard

    Jodee Perwin

13. 

    Christopher Harrod

    Phil Perwin

14. 

    Shirleyann Kaladjian

    Judith Brown

15. Matt Hopkins

    Glenn Brown

16. Collin Antrim Miller

    J.C.

17. 

    Kevin Townley

    Christian

18. 

    Evgeniya Radilova

    Kellie

19. Ivana Grahovac

    Jill

20. 

    Kelsey Lea Jones

    Kyra

21. Mike Sharits

    Chance Robbins

22. Mariana Cardenas

    Nurse Magda

23. Jeffry Mora

    Crew Guy

24. Rich Palmros

    Man

25. Alex Purcell

    NYPD Officer

26. Sharaé Moultrie

    Kyra's Friend

27. Eric Phelps

    J.C.'s Friend

28. 

    Alana de la Garza

    Isobel Castille

Crew 6