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 Joe Spano Det. John Clark Sr. Guest Star Austin Majors Theo Sipowicz Guest Star Josh Zuckerman James 'Swirly' Kilik Guest Star Taylor Handley Nick Bowen Guest Star Mark Rolston Carl Bowen Guest Star John Billingsley Ryan Lipe Guest Star Karen Kondazian Mrs. Kilik Guest Star Aarol Paul Marcus Denton Guest Star Troy Winbush Harold Carr Guest Star Antwon Tanner Devon Claridge Guest Star Lynn Hamilton Doris Becker Guest Star Kimi Reichenberg Jordan Monroe Guest Star Gary Servantes Joe Santiago Guest Star Carol Hickey Mrs. Hancock Guest Star Billy Concha Officer Miller Guest Star Roy Lee Jones Gerald Hawkins Guest Star G. Ja'ron Henderson Damani Guest Star Tom Sherak Uniform 1 Guest Star Mark Tinker Executive Producer Bill Clark Executive Producer, Writer Jody Worth Writer Peter Markle Director