David Milch Creator, Executive Producer, Writer Steven Bochco Creator, Executive Producer, Writer David Caruso Detective John Kelly Actor Dennis Franz Det. Sgt. Andy Sipowicz Actor Sherry Stringfield Laura Michaels Kelly Actor Amy Brenneman Janice Licalsi Actor Nicholas Turturro Detective James Martinez Actor Wendie Malick Susan Wagner Guest Star Alan Scarfe Thomas Wagner Guest Star David Schwimmer Josh '4B' Goldstein Guest Star Tresa Hughes Annette DiLeo Guest Star Michael Rapaport Jaime DiLeo Guest Star Bradford Tatum Michael DiLeo Guest Star Gordon Clapp Det. Greg Medavoy Guest Star Ralph Monaco Dominic Gennaro Guest Star Robert Costanzo Alfonse Giardella Guest Star Vincent Guastaferro Sgt. Vincent Agostini Guest Star John Hostetter Chef Guest Star Chris Ellis Marshal Guest Star Patricia Belcher Detective Guest Star Maurice Sherbanee Super Guest Star David Q. Combs Marshal Guest Star Paul Martell Greg Sacca Guest Star Tracey Morton Greta Weisner Guest Star Oni Faida Lampley Reporter Guest Star Gregory Hoblit Producer, Director