Season Regulars 6

1. 

   Tom Selleck

   Frank Reagan

2. 

   Donnie Wahlberg

   Danny Reagan

3. 

   Bridget Moynahan

   Erin Reagan-Boyle

4. 

   Will Estes

   Jamie Reagan

5. 

   Len Cariou

   Henry Reagan

6. 

   Abigail Hawk

   Abigail Baker

Guest Stars 20

1. 

   Amy Carlson

   Linda Reagan

2. 

   Andrea Roth

   Kelly Davidson

3. 

   Nicholas Turturro

   Sgt. Anthony Renzulli

4. 

   Jennifer Esposito

   Jackie Curatola

5. 

   Andrew Terraciano

   Sean Reagan

6. 

   Tony Terraciano

   Jack Reagan

7. 

   Sami Gayle

   Nicky Reagan-Boyle

8. 

   Jessica Collins

   Becky Walenski

9. 

   Bruce Altman

   Mayor Frank Russo

10. 

    Colleen Clinton

    Agent Anderson

11. 

    Rey Lucas

    Miguel

12. 

    Toby Leonard Moore

    Dick Reed

13. 

    Henry Zebrowski

    Hugh Stayton

14. 

    Bianca Amato

    Cindy Perry

15. 

    Joey Auzenne

    Mondo

16. 

    Michelle Hurst

    Councilwoman Collins

17. 

    Tibor Feldman

    Chief ME

18. 

    Clark Jackson

19. 

    Patrick Murney

    James Ratchet

20. 

    Erin Mackey

    Rachel

Crew 2