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 Janko

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. 

    Sami Gayle

    Nicky Reagan-Boyle

Guest Stars 6

1. 

   Steve Schirripa

   Anthony Abetemarco

2. 

   Jesse Ray Sheps

   Malik Nejari

3. 

   Jerry DiLeo

   Police Officer / Italian Mobster

4. 

   Lynn Marocola

   NYPD Police Officer (uncredited)

5. 

   Liza Colón-Zayas

   Ana Baez

6. 

   Kate Boyer

   Michele

Crew 4