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 Austin Majors Theo Sipowicz Guest Star Scott Allan Campbell IAB Sgt. Jerry Martens Guest Star Jessica Ferrarone Angela Lupo Guest Star Casey Siemaszko IAB Capt. Pat Fraker Guest Star Brad Hunt Jerry Wells Guest Star Chandra West Dr. Jennifer Devlin Guest Star Tanya Wright Officer Maya Anderson Guest Star Joe Spano Det. John Clark Sr. Guest Star James Luca McBride Off. Mike Shannon Guest Star Anthony Mangano Officer Laughlin Guest Star Ray LaTulipe Josh Astrachan Guest Star Mark Tinker Executive Producer, Director Bill Clark Executive Producer, Writer Matt Olmstead Executive Producer, Writer Nicholas Wootton Executive Producer, Writer Keith Eisner Writer Jody Worth Writer Greg Plageman Writer Jake Paltrow Director Tom Szentgyorgyi Writer Jesse Bochco Director Eric Rogers Writer Mark Piznarski Director John Hyams Director