Denis Leary Tommy Gavin Actor, Writer Michael Lombardi Mike Silletti Actor Steven Pasquale Sean Garrity Actor Andrea Roth Janet Gavin Actor John Scurti Lt. Kenny "Lou" Shea Actor Daniel Sunjata Franco Rivera Actor Larenz Tate Bart Actor Adam Ferrara Chief Nelson Actor Callie Thorne Sheila Keefe Actor Lenny Clarke Uncle Teddy Actor Robert John Burke Mickey Gavin Actor James McCaffrey Guest Star Terry Serpico Guest Star Michael Zegen Guest Star Jerry Adler Guest Star Maura Tierney Guest Star Natalie Distler Guest Star Peter Tolan Executive Producer, Writer, Director Jim Serpico Executive Producer Kerry Orent Producer Evan Reilly Writer