Robin Green Creator Mitchell Burgess Creator Tom Selleck Frank Reagan Actor, Executive Producer Donnie Wahlberg Danny Reagan Actor Bridget Moynahan Erin Reagan Actor Will Estes Jamie Reagan Actor Len Cariou Henry Reagan Actor Marisa Ramirez Detective Maria Baez Actor Vanessa Ray Officer Eddie Janko Actor Abigail Hawk Abigail Baker Guest Star Gregory Jbara DCPI Garrett Moore Guest Star Robert Clohessy Lt. Gormley Guest Star Steven R. Schirripa Anthony Abetamarco Guest Star Andrew Terraciano Sean Reagan Guest Star Will Hochman Joe Hill Guest Star Peter Hermann Jack Boyle Guest Star Ian Quinlan Officer Badillo Guest Star Dylan Walsh Mayor Chase Guest Star Stephanie Kurtzuba Captain McNichols Guest Star Steven Maier Officer Zach Christodoulopoulos Guest Star James Hiroyuki Liao Lt. Fleming Guest Star Jared Morrison TARU Tech Walker Guest Star Kevin Wade Executive Producer, Writer Ian Biederman Executive Producer, Writer Brian Burns Executive Producer, Writer Siobhan Byrne O'Connor Executive Producer, Writer Dan Truly Executive Producer Kevin Reilly Writer Douglas Aarniokoski Director Peter D'Antonio Writer Daniel Truly Writer Alex Zakrzewski Director Jack Ciapciak Writer Ralph Hemecker Director Jackeline Tejada Director