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 Amy Carlson Linda Reagan Actor Sami Gayle Nicky Reagan-Boyle Actor Dash Mihok Eddie Stone Guest Star Megan Ketch Detective Kate Lansing Guest Star Sebastian Sozzi Vinny Cruz Guest Star Robert Clohessy Sid Gormley Guest Star John Rue Ed Hines Guest Star Malcolm Gets Prof. Brian Devlin Guest Star Laura Breckenridge Dana Guest Star Abigail Hawk Detective Abigail Baker Guest Star Tony Terraciano Guest Star Andrew Terraciano Guest Star Renée Bang Allen Guest Star George Feaster Guest Star Gregory Jbara Guest Star Walt Frasier Guest Star Bridget Gabbe Guest Star Raymond Neil Hernandez Guest Star Mike Houston Guest Star Elena McGhee Guest Star Tobias Truvillion Guest Star Craig Waletzko Guest Star Mitchell Burgess Executive Producer Robin Green Executive Producer Leonard Goldberg Executive Producer Ian Biederman Writer Robert Harmon Director