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 17

1. 

   Amy Carlson

   Linda Reagan

2. 

   Nicholas Turturro

   Sgt. Anthony Renzulli

3. 

   Andrew Terraciano

   Sean Reagan

4. 

   Tony Terraciano

   Jack Reagan

5. Dylan Moore

   Sydney Davenport

6. 

   Bruce Altman

   Mayor Frank Russo

7. 

   Yvonna Kopacz-Wright

   Ava Hotchkiss

8. 

   Bobby Cannavale

   Charles Rosselini

9. 

   Francis Capra

   Pablo Torres

10. 

    Adam Mucci

    Linkner

11. 

    Max Arciniega

    Esteban Torres

12. 

    Michael Rivera

    Grumpy

13. Danny Henriquez

    Chavo

14. 

    Dominic Colón

    Omar

15. Luis Moco

    Louie

16. 

    Margaret Anne Florence

    Angela

17. 

    Ray Wiederhold

    ESU Sergeant

Crew 2