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 Tobin Bell Donald Selness Guest Star Casey Siemaszko Jim Bauerline Guest Star Neal McDonough Jerry Selness Guest Star Bill Brochtrup John Irvin Guest Star Wendy Raquel Robinson Lucy Kiney Guest Star Leland Orser Les Treet Guest Star Lola Glaudini Karen Thanos Guest Star Eileen Ryan Mrs. Treet Guest Star Michael Silver A.D.A. Leo Cohen Guest Star Saxon Trainor Off. Anne McGuire Guest Star Sierra Pecheur Noreen Irvin Guest Star Mike Sabatino Officer Martelli Guest Star Ray LaTulipe Josh Astrachan Guest Star Anthony A. Devito Uniform Guest Star Jorge Montesi Father Kankarides Guest Star Mark Tinker Executive Producer Robert Glaudini Writer Michael M. Robin Director