Elenco Principal da Temporada 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

Convidados Especiais 14

1. 

   Amy Carlson

   Linda Reagan

2. 

   Nicholas Turturro

   Sgt. Anthony Renzulli

3. 

   Sami Gayle

   Nicky Reagan-Boyle

4. 

   Peter Gerety

   Bishop Donovan

5. 

   Laurie Williams

   Wendy

6. 

   John Dossett

   Father McMurray

7. 

   Stacey Yen

   Doctor

8. Sonya Harum

   Sofie Lightner

9. 

   Annalaina Marks

   Atlanta

10. 

    Hank Chen

    Harry

11. Andrew Pastides

    Dorian

12. 

    Marina Squerciati

    Cameron

13. 

    Kate Udall

    Lara

14. 

    Mike Houston

    Uniformed Cop

Equipa Técnica 2