Denis Leary Tommy Gavin Actor James McCaffrey Jimmy Keefe Actor Andrea Roth Janet Gavin Actor Michael Lombardi Mike Silletti Actor Jack McGee Chief Jerry Reilly Actor Steven Pasquale Sean Garrity Actor Daniel Sunjata Franco Rivera Actor John Scurti Lt. Kenny "Lou" Shea Actor Diane Farr Laura Miles Actor Marlyne Barrett Guest Star David Alan Basche Guest Star Noelle Beck Guest Star Robert John Burke Guest Star Lenny Clarke Guest Star Olivia Crocicchia Guest Star Peter Tolan Executive Producer Jim Serpico Executive Producer Kerry Orent Producer Jace Alexander Director Evan Reilly Writer