Season Regulars 12

1. 

   Angela Bassett

   Athena Grant

2. 

   Peter Krause

   Robert 'Bobby' Nash

3. 

   Jennifer Love Hewitt

   Maddie Buckley

4. 

   Oliver Stark

   Evan 'Buck' Buckley

5. 

   Aisha Hinds

   Henrietta 'Hen' Wilson

6. 

   Kenneth Choi

   Howard 'Chimney' Han

7. 

   Ryan Guzman

   Edmundo 'Eddie' Diaz

8. 

   Rockmond Dunbar

   Michael Grant

9. 

   Corinne Massiah

   May Grant

10. 

    Marcanthonee Reis

    Harry Grant

11. 

    Gavin McHugh

    Christopher 'Chris' Diaz

12. 

    John Harlan Kim

    Albert Han

Guest Stars 29

1. 

   Rick Chambers

   Dwight Meyerson

2. 

   Tracie Thoms

   Karen Wilson

3. 

   Cocoa Brown

   Carla Price

4. 

   La Monde Byrd

   David Hale

5. 

   Marsha Warfield

   Antonia 'Toni' Wilson

6. 

   Dawnn Lewis

   Danvers

7. 

   Ryan Dorsey

   Ethan

8. 

   Merrick McCartha

   Aldous Pate

9. 

   Ana Mercedes

   Isabel Diaz

10. 

    Terri Hoyos

    Josephina “Pepa”

11. 

    Ronobir Lahiri

    Jeshan Mehta

12. Adriana Santos

    Evangeline Gonzalez

13. 

    Steve Monroe

    Mario Kosta

14. 

    Chris Wu

    Williams

15. 

    Shane Conrad

    Kenneth Malone

16. Emily Marie Wilson

    Darcy

17. 

    Mike Kersey

    Cliff Naglack

18. 

    Brandon Brown

    Todd Browne

19. 

    James Adam Lim

    Trauma Nurse

20. Rajni Kareer

    Trauma Surgeon

21. 

    Sean Samuels

    SWAT Sniper

22. David Proffitt

    LAPD Instructor

23. 

    Margot Catherine Terry

    Nia

24. 

    Debra Christofferson

    Sue Blevins

25. 

    Megan West

    Taylor Kelly

26. 

    Gabrielle Walsh

    Ana Flores

27. 

    Declan Pratt

    Denny Wilson

28. 

    Chiquita Fuller

    Linda Bates

29. 

    Anirudh Pisharody

    Ravi Panikkar

Crew 1