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 Dan Bucatinsky PAA David 'Dave' Moore Guest Star James Lesure Marcus Hodges Guest Star Edoardo Ballerini Dennis Clancy Guest Star Patrick J. Dancy Derek 'Fury' Glass Guest Star Steven Daniel Adrian Upchurch Guest Star Larry Bates Terrence King Guest Star Allan Kolman Josef Visnofsky Guest Star Cyia Batten Betty Anne Clancy Guest Star Nike Doukas Leslie Walden Guest Star Rick Pasqualone Uniform 2 Guest Star Brett Wagner Foss Miller Guest Star Philip Angelotti Uniform Guest Star Robb Skyler Marty Collins Guest Star Randy Flagler Hank Grenda Guest Star Billy Concha Officer Miller Guest Star Henry Murph Hank Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Matt Olmstead Writer Tawnia McKiernan Director