Season Regulars 12

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. 

   Vanessa Ray

   Eddie Reagan

7. 

   Andrew Terraciano

   Sean Reagan

8. 

   Gregory Jbara

   Garrett Moore

9. 

   Robert Clohessy

   Sid Gormley

10. 

    Abigail Hawk

    Abigail Baker

11. 

    Marisa Ramirez

    Maria Baez

12. 

    Steve Schirripa

    Anthony Abetemarco

Guest Stars 21

1. 

   Peter Hermann

   Jack Boyle

2. 

   Dylan Walsh

   Mayor Peter Chase

3. 

   Gameela Wright

   Reporter Helen

4. 

   Ian Quinlan

   Officer Luis Badillo

5. 

   Matthew Daddario

   John DiPierro

6. 

   Gabriella Piazza

   Francesca DiPierro

7. 

   Bo Dietl

   Carmine Romano

8. Roya Shanks

   Melissa Phillips

9. Daniel Davila Jr.

   Marco

10. 

    Jamie Guyer

    Susan O'Leary

11. Declan Eells

    Owen

12. 

    Larry Manetti

    Sam Velucci

13. James Nuciforo

    Det. Jim Nuciforo

14. 

    Natalie Buck

    Jack's Assistant Megan

15. 

    Tom Lucca

    MC

16. 

    Kristen Martin

    Officer Cassandra

17. Mark D. O'Brien

    FIO Cop

18. George Colucci

    Christopher

19. 

    Eileen Weisinger

    Ms. Romano

20. Jack Shanahan

    Uni

21. Daniela Dakich

    Mayor's Aid (uncredited)

Crew 3