Main Characters Sergeant Patrick Tufo 36 main appearances Detective Harlee Santos 36 main appearances Detective Tess Nazario 36 main appearances Lieutenant Bill Wozniak 36 main appearances Detective Tony Espada 36 main appearances Michael Loman 35 main appearances Christine Santos 32 main appearances Robert Staal 34 main appearances James Nava 13 main appearances
Recurring Guest Characters Dixon 1 guest appearances Operator 1 guest appearances Commission Chairman 1 guest appearances Isabel Acosta 1 guest appearances Paramedic 1 1 guest appearances ⇤ « 1 2 3 4 » ⇥