Steven Bochco Creator, Executive Producer David Milch Creator, Executive Producer, Writer Dennis Franz Det. Sgt. Andy Sipowicz Actor Ricky Schroder Det. Danny Sorenson Actor James McDaniel Lt. Arthur Fancy Actor Kim Delaney Diane Russell Actor Gordon Clapp Det. Greg Medavoy Actor Nicholas Turturro Detective James Martinez Actor Andrea Thompson Det. Jill Kirkendall Actor Bill Brochtrup John Irvin Actor Henry Simmons Det. Baldwin Jones Actor Scott Cohen Det. Harry Denby Guest Star Alley Mills Sonya Morrow Guest Star Erich Anderson Don Kirkendall Guest Star Mik Scriba Al Morrow Guest Star John DiMaggio Gary Laird Guest Star John Cassini Joey Ficca Guest Star Robert Kerbeck Craig Laird Guest Star Lonny Chapman Timothy O'Leary Guest Star Shelley Malil Ismail Patel Guest Star Tricia Franz Darla Guest Star Henry Murph Det. Harold Guest Star Mark Tinker Executive Producer, Director Bill Clark Executive Producer, Writer Robert Doherty Producer Ted Shuttleworth Writer Bob Doherty Director