- James Gordon - Police Commissioner
- Gerard "Jerry" Hennelly - Lieutenant and head of the Quick Response Team
- Mackenzie "Hardback" Bock - Chief of Police and former head of OCCB (Organized Crime Control Bureau)
- Nora Fields - Supervisor, Coroner's Office. Widow of Charlie Fields.
- Officer Harper - Officer, associate of Robin.
- Donald Peak - Officer, former partner of Andy Kelly.
- Rebecca Mulcahey - Corrupt officer, lover of Jim Corrigan.
- Stacy - Administrative Secretary to Commissioner Gordon, civilian employee.
Major Crimes Unit:
- Margaret "Maggie" Sawyer - Captain and head of Major Crimes Unit, commander of the first(day) shift.
- David Cornwell - Lieutenant, Major Crimes Unit commander of the second(night) shift, successor of deceased Lt. Probson.
- Josh Azeveda - Detective, Major Crimes Unit. Partnered with Trey Hartley.
- Joely "Joe" Bartlett - Detective, Major Crimes Unit. Partnered with Vincent Del Arrazzio.
- Harvey Bullock - Detective, Major Crimes Unit. Restored to duty under severe scrutiny.
- Nick Gage - Detetive, Major Crimes Unit. Associate of Batgirl.
- Thomas "Tommy" Burke - Detective, Major Crimes Unit. Partnered with Dagmar Procjnow.
- Romy Chandler - Detective, Major Crimes Unit. Partnered with Takahata.
- Eric Cohen - Detective, Major Crimes Unit. Partnered with Andi Kasinsky.
- Nelson Crowe - Detective, Major Crimes Unit. Partnered with Jackson Davies.
- Jackson "Sarge" Davies - Detective Sergeant, Major Crimes Unit. Partnered with Nelson Crowe.
- Vincent Del Arrazzio - Detective Sergeant, Major Crimes Unit. Partnered with Joely Bartlett. Associate of the Huntress.
- Marcus Driver - Detective, Major Crimes Unit. Partnered with Josephine MacDonald.
- Trey Hartley - Detective, Major Crimes Unit. Partnered with Josh Azeveda
- Andi Kasinsky - Detective, Major Crimes Unit. Partnered with Eric Cohen.
- Josephine "Josie Mac" MacDonald - Detective, Major Crimes Unit. Partnered with Marcus Driver.
- Dagmar "Dag" Procjnow - Detective, Major Crimes Unit. Partnered with Thomas Burke.
- Detective Takahata - Detective, Major Crimes Unit. Partnered with Romy Chandler.