Det. Janice Licalsi

Janice Licalsi arrives in the first season as an Internal Affairs detective, poised and watchful, assigned to look into the precinct's rougher edges. She's controlled and professional on the surface, but there's a private tension underneath — something she's guarding closely even as she grows drawn to the gruff, difficult Andy Sipowicz.

Amy Brenneman plays her with a stillness that keeps you guessing what's actually going on behind the composure. The show uses her IA badge to needle at Sipowicz's defenses, and Brenneman never tips her hand — she lets Janice's warmth toward him feel genuine and complicated at once, which is exactly what makes her worth watching closely.