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 Sharon Lawrence ADA Sylvia Costas Actor Bill Brochtrup John Irvin Guest Star Brad Sullivan Patsy Ferrara Guest Star Michael Harney Mike Roberts Guest Star Lola Glaudini Dolores Mayo Guest Star Jeremiah Birkett Kenny Sorell Guest Star Shawn Michael Howard Dino Guest Star Catherine Gardner Nina Nuñez Guest Star Gina Gallego Mrs. Nuñez Guest Star Arthur Taxier Dr. Reissman Guest Star Zack Ward Dan Evers Guest Star Ashley Rose Davis Reece Guest Star Barry Newman Mark Radner Guest Star Scott Carollo Dr. Davis Guest Star Andrew Sikking Uniform 1 Guest Star Mark Tinker Director, Executive Producer