- Michaela Stone – police officer/detective
- Jared Vasquez – a detective in the precinct; Michaela’s ex-fiancé, who is now married to her best friend
- Captain Riojas – Captain of the precinct
- Tony Diaz – uniformed officer
- Dr. Bortel – pshyciatrist who evaluates Michaela
- Office space where officers, detectives and administrative staff work.
- Cells for detainees.
- Interrogation room.
- Locker area (where Jared and Michaela often go if they want to talk in private)