시즌 정규 출연진 9

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. 

   Amy Carlson

   Linda Reagan

7. 

   Jennifer Esposito

   Jackie Curatola

8. 

   Abigail Hawk

   Abigail Baker

9. 

   Sami Gayle

   Nicky Reagan-Boyle

특별출연 15

1. 

   Andrew Terraciano

   Sean Reagan

2. 

   그레고리 바라

   Garrett Moore

3. 

   Robert Clohessy

   Sid Gormley

4. 

   Tony Terraciano

   Jack Reagan

5. 

   Sebastian Sozzi

   Vinny Cruz

6. 

   Teddy Sears

   Sam Croft

7. 

   Michelle Hurd

   CIA Anne Reynolds

8. 

   Louis Ozawa

   Abdul Sayid

9. 

   Lauren Bittner

   Alyssa Mulrow

10. 

    Brendan Griffin

    Bobby Mulrow

11. 

    Victor Slezak

    Chief of Intel

12. 

    Mandy Bruno Bogue

    Antonia Salducci

13. 

    Joe Forbrich

    ESU Captain

14. Barbara Vincent

    NYPD Officer

15. 

    Peter Appel

    Joe Salducci

제작진 2