This is a list of major, notable, and recurring characters appearing in the American television police procedural and legal drama Law & Order and its franchise . Contents [hide] 1 Main characters 1.1 Announcer 1.2 Police Officers 1.2.1 Senior Detectives 1.2.2 Junior Detectives 1.2.3 Supervising Officers 1.3 Prosecutors 1.3.1 Executive/Bureau Chief