David Milch Creator, Executive Producer, Writer 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 Kim Delaney Diane Russell Actor Andrea Thompson Det. Jill Kirkendall Actor Brian Markinson Steve Egan Guest Star Matthew Glave Jason Guest Star Michael Wiseman Tommy Richardson Guest Star Annie Corley Sherrie Egan Guest Star Thom Gossom Jr. Israel Guest Star Gabrielle Fitzpatrick Naomi Reynolds Guest Star Michael Silver A.D.A. Leo Cohen Guest Star Titus Welliver Dr. Mondzac Guest Star Charlotte Ross Laurie Richardson Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Aaron Lustig Dr. Gerald Talbot Guest Star Sharon Lawrence ADA Sylvia Costas Guest Star Lola Glaudini Patty Bell Guest Star Leonard Gardner Writer Mark Tinker Director, Executive Producer Bill Clark Writer Meredith Stiehm Writer Nicholas Wootton Writer Jody Worth Writer John Chambers Writer Dennis Woods Writer Kevin Arkadie Writer Farrel Levy Director Paris Barclay Director Matthew Penn Director Steven DePaul Director Dennis Dugan Director