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 23

1. 

   Amy Carlson

   Linda Reagan

2. 

   Nicholas Turturro

   Sgt. Anthony Renzulli

3. 

   Jennifer Esposito

   Jackie Curatola

4. 

   Andrew Terraciano

   Sean Reagan

5. 

   Tony Terraciano

   Jack Reagan

6. 

   Sami Gayle

   Nicky Reagan-Boyle

7. 

   Bruce Altman

   Mayor Frank Russo

8. 

   Olek Krupa

   Maximilian Gruschenko

9. 

   Lola Glaudini

   Anna

10. 

    Pawel Szajda

    Sergei Sokoloff

11. 

    Luke Robertson

    Boris

12. 

    Jimmy Palumbo

    Chief Winston

13. Ralph Byers

    Randy St. Clair

14. 

    Josh Casaubon

    Josh Saunders

15. 

    Dylan Chalfy

    Kevin Firestone

16. Sofia Sokolov

    Sofia

17. 

    Topher Mikels

    Mischa Gruschenko

18. Anna Eilinsfeld

    Svetlana Bayul

19. Vladimir Bibic

    Yuri

20. 

    Dieter Riesle

    Vladmir Sarbonis

21. 

    Mahira Kakkar

    Dr. Gupta

22. 

    Larisa Polonsky

    Chelsea Cole

23. 

    Tasha Zamamiri

    Aisha Nejari

Crew 2