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 Sharon Lawrence ADA Sylvia Costas Actor Kim Delaney Diane Russell Actor Christopher Meloni Jimmy Liery Guest Star Garrett M. Brown Dick Manzak Guest Star Julie Ariola Mildred Superczynski Guest Star Bradford English Stanley Superczynski Guest Star Reni Santoni Sal Campisi Guest Star Larry Joshua Capt. Clifford Bass Guest Star Tamara Tunie Lillian Fancy Guest Star Gordon Joseph Weiss Runner Guest Star Michael Silver A.D.A. Leo Cohen Guest Star Michael Cavanaugh Len Guest Star Joyce Reehling Oleta Campisi Guest Star John Tormey Louis Guest Star Robert Cividanes Al Guest Star James Luca McBride Officer Shannon Guest Star Myra Turley Woman Guest Star Pete Russo Uniform Cop Guest Star Mark Tinker Executive Producer Bill Clark Writer Donna Deitch Director