David Milch Creator, Executive Producer, Writer Steven Bochco 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 Sharon Lawrence ADA Sylvia Costas Actor Kevin Dillon Off. Neil Baker Guest Star Lola Glaudini Dolores Mayo Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Christopher Stanley Officer Szymanski Guest Star Sterling Macer Jr. Det. Donaldson Guest Star Scott Klace Gerald Griswold Guest Star James Luca McBride Officer Shannon Guest Star Joe Sabatino Officer Mackey Guest Star David Jean Thomas Mr. Lewis Guest Star Leontine Guilliard Mrs. Forbes Guest Star Carl M. Craig Bystander Guest Star Mark Tinker Executive Producer Robert Doherty Producer Steven DePaul Director Bill Clark Writer Leonard Gardner Writer