David Milch Creator, Executive Producer, Writer Steven Bochco Creator, Executive Producer, Writer Jimmy Smits Det. Bobby Simone Actor 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 Bill Brochtrup John Irvin Guest Star Richard Gant Sgt. Bill Dornan Guest Star Michael Silver A.D.A. Leo Cohen Guest Star David Barrera Dr. Victor Carreras Guest Star Brad Sullivan Patsy Ferrara Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Lola Glaudini Dolores Mayo Guest Star Todd Waring Malcolm Cullinan Guest Star James Luca McBride Officer Shannon Guest Star Daniel Benzali James Sinclair Esq. Guest Star Mike Sabatino Officer Martelli Guest Star Paris Barclay Director Robert Doherty Producer Mark Tinker Director, Executive Producer Steven DePaul Director Bill Clark Writer Matt Olmstead Writer Doug Palau Writer John Chambers Writer Leonard Gardner Writer Marc Buckland Director Nicholas Wootton Writer Nick Wootton Writer Donna Dietch Director