David Milch Creator, Executive Producer, Writer Steven Bochco Creator, Executive Producer 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 Yasiin Bey Leslie Peach Guest Star Sheeri Rappaport Officer Mary Franco Guest Star Anthony Mangano Officer Ed Laughlin Guest Star Jenni Blong Julianne Maurice Guest Star Hynden Walch Lucy Sperling Guest Star Daniel Blinkoff Harvey Sperling Guest Star Karen Witter Michelle Beacham Guest Star Mark Tinker Executive Producer, Director Bill Clark Executive Producer, Writer Kim Newton Writer Donna Deitch Director Robert Doherty Producer