Main Characters Officer Andy McNally 35 main appearances Officer Dov Epstein 35 main appearances Detective Traci Nash 35 main appearances Officer Gail Peck 35 main appearances Sergeant Oliver Shaw 35 main appearances Detective Sam Swarek 35 main appearances Officer Chris Diaz 30 main appearances Officer Nick Collins 30 main appearances Officer Chloe Price 23 main appearances Sergeant Frank Best 16 main appearances Senior Officer Marlo Cruz 13 main appearances Detective Luke Callaghan 9 main appearances Training Officer Noelle Williams 8 main appearances Detective Jerry Barber 7 main appearances Sergeant Boyko 5 main appearances Detective Jo Rosati
Recurring Guest Characters Josh 1 guest appearances Aidan Kelly 1 guest appearances Sarah Mooney 1 guest appearances Councilor Steven Hollot 1 guest appearances Daniel Hallot 1 guest appearances Commissioner Alonso Santana 1 guest appearances Judge Constance Sullivan 1 guest appearances Officer Tim Goudet 1 guest appearances Bomb Tech # 2 1 guest appearances Bomb Tech # 1 1 guest appearances Groom 1 guest appearances Booking Officer 1 guest appearances Boz 1 guest appearances Ava 1 guest appearances Wendel 1 guest appearances wounded woman 1 guest appearances Marcus Riggs 1 guest appearances Mrs. Riggs 1 guest appearances Brian Gowdy 1 guest appearances Angelo Passetti 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥