David Milch Creator Steven Bochco Creator, Executive Producer 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 Nicholas Lea Frank Colohan Guest Star Isiah Whitlock Jr. Anton Emery Guest Star Fredro Starr Terrell 'Charles' Cooper Guest Star Joan Copeland Ramona Dwartz Guest Star Ephraim Benton Grover Dawkins Guest Star Ron Perkins David Bender Guest Star Jason Ross-Azikiwe Damian Bryant Guest Star Googy Gress Otto Fleck Guest Star Michael Holden Dr. Buchbinder Guest Star Robert Catrini Lanny Guest Star Katherine LaNasa Michelle Colohan Guest Star Joey Diaz Manny Mankiewicz Guest Star Latasha Hutcherson Monica Burnett Guest Star Brendan Patrick Connor Uniform 1 Guest Star James Eugene Davis Uniform 2 Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Keith Eisner Writer Jake Paltrow Director