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 Sharon Lawrence ADA Sylvia Costas Actor Gordon Clapp Det. Greg Medavoy Actor Kim Delaney Diane Russell Actor Andrea Thompson Det. Jill Kirkendall Guest Star Carmine Caridi Det. Vince Gotelli Guest Star Debra Christofferson Geri Turner Guest Star Lourdes Benedicto Gina Colon Guest Star Paige Turco Officer Abby Sullivan Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Willie Garson Henry Coffield Guest Star Christopher Meloni Jimmy Liery Guest Star Larry Joshua Capt. Clifford Bass Guest Star Michael Silver A.D.A. Leo Cohen Guest Star Tamara Tunie Lillian Fancy Guest Star Steve Antin Det. Nick Savino Guest Star James Luca McBride Officer Shannon Guest Star Theresa Rebeck Writer Mark Tinker Director, Executive Producer Meredith Stiehm Writer David Mills Writer Leonard Gardner Writer Bill Clark Writer Nicholas Wootton Writer Paris Barclay Director Robert J. Doherty Director Michael W. Watkins Director Mike Perry Writer Randy Zisk Director Kathy Bates Director Michael M. Robin Director