Tom Selleck Frank Reagan Actor Donnie Wahlberg Danny Reagan Actor Bridget Moynahan Erin Reagan Actor Will Estes Jamie Reagan Actor Len Cariou Henry Reagan Actor Jennifer Esposito Detective Jackie Curatola Actor Amy Carlson Linda Reagan Actor Sami Gayle Nicky Reagan-Boyle Actor Gregory Jbara Garrett Moore Guest Star Megan Ketch Detective Kate Lansing Guest Star Robert Clohessy Sid Gormley Guest Star Peter Hermann John 'Jack' Boyle Guest Star Nestor Serrano Captain Derek Elwood Guest Star Thom Barry ADA Saul Ward Guest Star Michael Kostroff Mr. Wojcik Guest Star Tony Terraciano Jack Reagan Guest Star Andrew Terraciano Guest Star Joe Coots Guest Star Antoinette LaVecchia Guest Star Chuck Lewkowicz Guest Star Brian Munn Guest Star Wallace Smith Guest Star Jared Zirilli Guest Star Mitchell Burgess Executive Producer Robin Green Executive Producer Leonard Goldberg Executive Producer Daniel Truly Writer David Barrett Director