Paramedic Jessica "Chili" Chilton
Former Paramedic In Charge Jessica "Chili" Chilton (recurring previously; season 4 episodes 1–14 main): She was brought in as the new Paramedic in Charge (PIC) after Mills' departure. Her arrival was initially met with some frostiness from the rest of the crew as they were still getting over Mills' sudden departure. She was previously with a firehouse in the West Side and is experienced in dealing with victims of major trauma. She briefly dates Jimmy Borelli in the fourth season. She is later fired by Chief Boden during the fourth season after the death of her sister causes her to nearly kill a patient and later relapse to alcoholism.