Age: 24 Gender: Male Team: Violent Crimes Team 2 Ability: Physical Enhancement. Can increase his speed or strength significantly. Features: Always carries a hammer named 'Justice'. He and Inspector Jam are childhood friends (though he calls her Inspector Jam at work).

Age: 23 Gender: Male Team: Criminal Investigation Team 2 Ability: Sixth Sense. Can communicate with animals and spirits. Partner: Inspector Oh

Age: 35 Gender: Male Team: Investigation Team 2 Ability: Mechanic. Skilled at repairing machines and using computers. Has a lethargic personality. Partner: Officer Jun-yeop

Age: 29 Gender: Female General Team Leader Ability: Case Reconstruction. Can reconstruct crime scenes to conduct detailed investigations. She and Detective Ra are childhood friends (she calls him Detective Ra at work).

Age: 35 Gender: Male Team: Investigation Team 3 Ability: Psychological Insight. Can determine if someone is lying by analyzing their speech word by word. Partner: Officer Shin Seung-ah

Age: 35 Gender: Male Team: Violent Crimes Team 2 Partner: Detective Ra A doting father to his daughter. Though he looks intimidating at work, he cares deeply for Detective Ra. (Possesses great strength).

Age: 34 Gender: Male Team: Criminal Investigation Team 2 Partner: Officer Deok Wears glasses. Calm and generally cheerful. Takes good care of Deok-gae.

Age: 22 Gender: Male Team: Investigation Team 2 Partner: Inspector Gak Good with computers. Acts as Inspector Gak's navigator.

Age: 22 Gender: Female Team: Investigation Team 1 Partner: Detective Gong Works under Detective Gong.

Age: 22 Gender: Female Team: Investigation Team 3 Partner: Inspector Su Calm and modest. Has a gentle personality and some knowledge of psychology.