David Milch Creator, Executive Producer Steven Bochco Creator, Executive Producer Jimmy Smits Det. Bobby Simone Actor Dennis Franz Det. Sgt. Andy Sipowicz Actor James McDaniel Lt. Arthur Fancy 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 Actor Kim Delaney Diane Russell Actor Wanda De Jesus Det. Martina Escobar Guest Star Michael DeLuise Andy Sipowicz Jr. Guest Star Jessica Tuck Farrell McLeary Guest Star Fredric Lehne Mark Drennan Guest Star Jake Weber Bill Walsh Guest Star Finn Carter Ellen Lippert Guest Star Bill Brochtrup John Irvin Guest Star Cec Verrell Gail Keller Guest Star Anne Betancourt Miriam De Guzman Guest Star Christian J. Meoli Phil Farr Guest Star Maria Celedonio Lydia Garcia Guest Star Mike Vitar Teenager Guest Star Marq Edwards Punk 1 Guest Star Samuel Monroe Jr. Punk 2 Guest Star Maggie Rodriguez Reporter Guest Star Perry Lang Bartender Guest Star, Director Mark Tinker Executive Producer Theresa Rebeck Writer