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 Elizabeth Berkley Lauren Nicole Graf Guest Star John Standing Jimmy Cheatham Guest Star Sandi Schultz Alice Kenyon Guest Star Simon Templeman Andrew Conover Guest Star Zach Grenier Det. Lou Simpkins Guest Star John Francis Rupert Zisk Guest Star Mark Tinker Executive Producer, Director Bill Clark Executive Producer, Writer Ami Canaan Mann Writer Joe Ann Fogle Director Robert Doherty Producer