Säsongens återkommande skådespelare 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

Gästskådespelare 13

1. 

   Simone Policano

   Tess Ross

2. 

   Anthony DeSando

   Joey Ruscoli

3. 

   Ian Quinlan

   Officer Luis Badillo

4. Jess Darrow

   Isabella

5. Eric B.

   LT. Mike Gee

6. 

   Dion Costelloe

   Erik Rys

7. 

   David R. Nash

   Sam Evans

8. Ruth Gottschall

   Ms. Evans

9. Ryan Castro

   Leeroy Lucero

10. Nina Naval

    Claudia

11. 

    Benny Iler

    Heavy #1

12. 

    David Wenzel

    Heavy #2

13. Hayden Choate

    Gustave

Medarbetare 2