Denis Leary Tommy Gavin Actor, Writer Andrea Roth Janet Gavin Actor Michael Lombardi Mike Silletti Actor Steven Pasquale Sean Garrity Actor Daniel Sunjata Franco Rivera Actor John Scurti Lt. Kenny "Lou" Shea Actor Adam Ferrara Chief "Needles" Nelson Actor Callie Thorne Sheila Keefe Actor Larenz Tate Bart Actor Lenny Clarke Uncle Teddy Actor Natalie Distler Colleen Actor Jerry Adler Guest Star Maura Tierney Guest Star Cody Horn Guest Star Geneva Carr Guest Star Robert Cameron Guest Star Lawrence Feeney Guest Star Peter Tolan Executive Producer Jim Serpico Executive Producer Kerry Orent Producer John Fortenberry Director Evan Reilly Writer Zach Robbins Writer