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 Austin Majors Theo Sipowicz Guest Star Marcello Thedford Omar Givens Guest Star Matt Winston Marshall Kopek Guest Star Anthony Mangano Officer Ed Laughlin Guest Star Casey Siemaszko Captain Pat Fraker Guest Star Kenneth Tigar Leonard Kopek, Esq. Guest Star Richard Biggs Sgt. Raymond Snider Guest Star Louis Giovannetti Det. Richard Beck IAB Guest Star Daniel Villarreal Orlando Marquez Guest Star Stephanie Venditto Helen Ekery Guest Star Sharif Rashed Elias Downing Guest Star Shanti Lowry Maisha Houston Guest Star Matthew James Kevin Ganzler Guest Star Hector Luis Bustamante Neffy Concepcion Guest Star Monica Garcia Arantxa Marquez Guest Star Bill Clark Desk Sergeant Guest Star, Executive Producer, Writer Ray LaTulipe Josh Astrachan Guest Star Bill Tigue Uniform Guest Star Mark Tinker Executive Producer Matt Olmstead Executive Producer Nicholas Wootton Executive Producer Keith Eisner Writer Jesse Bochco Director