Steven Bochco Creator, Executive Producer David Milch Creator Dennis Franz Det. Sgt. Andy Sipowicz Actor Mark-Paul Gosselaar Det. John Clark, Jr. Actor Gordon Clapp Det. Greg Medavoy Actor Charlotte Ross Det. Connie McDowell Actor Henry Simmons Det. Baldwin Jones Actor Bill Brochtrup John Irvin Actor Garcelle Beauvais-Nilon A.D.A. Valerie Heywood Actor Esai Morales Lt. Tony Rodriguez Actor Jacqueline Obradors Det. Rita Ortiz Actor Lori Petty Joyce Bradovich Guest Star Anthony Mangano Officer Ed Laughlin Guest Star Monica Calhoun Denise Woodson Guest Star Christopher John Fields Patrick Keneely Guest Star Jessica Ferrarone Angela Lupo Guest Star Rino Romano Greg Knapp Guest Star Dex Elliott Sanders Shawn Woodson Guest Star Eddie Bowz Andrew Taylor Guest Star Donnamarie Recco Maureen Wade Guest Star Anne Betancourt Elena Lugo Guest Star Tamir Yardenne Delray Kelly Guest Star Frank Ertl Joe Lugo Guest Star John Nielson Det. Markinson Guest Star John Colella Det. Wingate Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Nicholas Wootton Executive Producer Matt Olmstead Executive Producer Tom Szentgyorgyi Writer Joe Ann Fogle Director