Tom Selleck Frank Reagan Actor Donnie Wahlberg Danny Reagan Actor Bridget Moynahan Erin Reagan Actor, Director 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 Abetemarco Guest Star Andrew Terraciano Sean Reagan Guest Star Ian Quinlan Officer Luis Badillo Guest Star Erick Betancourt Leo Stutz Guest Star Max Weinberg Mario Vangelis Guest Star Marcus Giamatti Gerry Gertz Guest Star Tom Galantich Robert Spence Guest Star Erin Leigh Peck Donna Spence Guest Star Ryan Woodle Arty Kangiser Guest Star Jen Jacob Amber Zazzarino Guest Star Caitlin Hammond Grace Spence Guest Star Claudia Logan K.J. Guest Star Justin S Kirkland Officer Burgess Guest Star Chris Santangelo Roy Dupree Guest Star Nancy Evans Waitress, Joanie Guest Star Chris Anthony Hernandez Man in Crowd Guest Star Camille Upshaw Security Guard Guest Star Shawn K. Jain E.R. Doctor Guest Star Isabella Grace Lagares Daughter Guest Star Leonard Goldberg Executive Producer Kevin Wade Executive Producer Daniel Truly Writer