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 Stan Cahill Asst. Dist. Atty. Don Harrison Guest Star Dan Bucatinsky PAA David 'Dave' Moore Guest Star Robert Wisdom Eric Green Guest Star Austin Tichenor Dr. Raymond Chambers Guest Star Billy Rieck Wayne King Guest Star Josie DiVincenzo Angela Stokes Guest Star Eddie Kehler Jim Dobbs Guest Star Karl Wiedergott Lance Edmunds Guest Star John L. Adams Shawn Tomlinson Guest Star Shelly Cole Baby Doll Guest Star Glenn Taranto Jerry Hopkins Guest Star Nick Paonessa Uniform 1 Guest Star Maura Gale Natalie Inniss Guest Star Robert Dolan Uniform 2 Guest Star Chadwick Palmatier Junkie Guest Star Ray LaTulipe Josh Astrachan Guest Star Lisa Marie Jabboury Lisa Guest Star Jennifer Gayley Junkie 2 Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Matt Olmstead Writer Nicholas Wooten Writer Mark Piznarski Director