Steven Bochco Creator, Executive Producer, Writer David Milch Creator, Executive Producer, Writer David Caruso Detective John Kelly Actor Dennis Franz Det. Sgt. Andy Sipowicz Actor James McDaniel Lt. Arthur Fancy Actor Sherry Stringfield Laura Michaels Kelly Actor Amy Brenneman Janice Licalsi Actor Nicholas Turturro Detective James Martinez Actor Gail O'Grady Donna Abandando Guest Star Debrah Farentino Robin Wirkus Guest Star David Schwimmer Josh '4B' Goldstein Guest Star Tom Towles Inspector Anthony Lastarza Guest Star Michael DeLuise Andy Sipowicz Jr. Guest Star John Ottavino Jimmy Craig Guest Star Shannon Cochran Lois Snyder Guest Star Gordon Clapp Det. Greg Medavoy Guest Star Vincent Guastaferro Sgt. Vincent Agostini Guest Star Robert Costanzo Alfonse Giardella Guest Star Sharon Lawrence ADA Sylvia Costas Guest Star Markus Redmond P.O. Lucas Guest Star Michael Harney Det. Mike Roberts Guest Star Larry Romano Marino's Underling Guest Star Gregory Hoblit Director, Producer Ted Mann Writer Ann Biderman Writer Matt Olmstead Executive Producer W.K. Scott Meyer Writer Gardner Stern Writer Burton Armus Writer Michael M. Robin Director Dennis Dugan Director Jody Worth Writer Brad Silberling Director Art Monterastelli Writer Lesli Linka Glatter Director