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 Nicholas Turturro Detective James Martinez Actor Gordon Clapp Det. Greg Medavoy Actor Kim Delaney Diane Russell Actor Andrea Thompson Det. Jill Kirkendall Actor Bill Brochtrup John Irvin Actor Sheeri Rappaport Officer Mary Franco Guest Star Scott Cohen Det. Harry Denby Guest Star James Pickens Jr. Lt. Joe Abner Guest Star Erich Anderson Don Kirkendall Guest Star Jeff Cahill J.B. Murphy Guest Star Sandra Purpuro Angela Zarelli Guest Star Anthony Mangano Officer Ed Laughlin Guest Star Courtland Mead Kyle Kirkendall Guest Star John F. O'Donohue Det. Eddie Gibson Guest Star Debra Monk Katie Sipowicz Guest Star Austin Majors Theo Sipowicz Guest Star Henry Simmons Actor Mark Tinker Director, Executive Producer Robert Doherty Producer Bill Clark Executive Producer, Writer Matt Olmstead Writer Leonard Gardner Writer Jody Worth Writer Bob Doherty Director Steven DePaul Director Meredith Stiehm Writer W.K. Scott Meyer Writer Jeff McCracken Director Joe Ann Fogle Director Peter Markle Director