David Milch Creator, Executive Producer Steven Bochco Creator, Executive Producer David Caruso Detective John Kelly Actor Dennis Franz Det. Sgt. Andy Sipowicz Actor James McDaniel Lt. Arthur Fancy Actor Amy Brenneman Janice Licalsi Actor Nicholas Turturro Detective James Martinez Actor Gordon Clapp Det. Greg Medavoy Actor Sharon Lawrence ADA Sylvia Costas Actor Gail O'Grady Donna Abandando Actor Justine Miceli Det. Adrienne Lesniak Guest Star Shannon Cochran Lois Snyder Guest Star Brigid Brannagh Sandy Rowe Guest Star Michael Imperioli Duane Rollins Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Carmine Caridi Det. Vince Gotelli Guest Star James Handy Borough Commander Haverill Guest Star Anna Gunn Kimmy Guest Star Gregory Hoblit Executive Producer Leonard Gardner Writer Daniel Sackheim Director