Age: 24 Male Team: Violent Crimes Team 2 Ability: Physical Enhancement. His speed and strength increase significantly. Characteristics: Always carries a hammer of justice. He and Inspector Jam are childhood friends (though he calls her Inspector Jam at work).

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

Age: 36 Male Team: Investigation Team 2 Ability: Mechanic. Skilled at fixing machines and using computers. Has a lazy streak. Partner: Officer Jun-yeop

Age: 36 Female General Team Leader Ability: Case Reconstruction. Can reconstruct crime scenes to conduct detailed investigations. She and Officer Ra are childhood friends (she calls him Officer Ra at work).

Age: 35 Male Team: Investigation Team 3 Ability: Psychological Profiling. Can determine if someone is lying by analyzing their words one by one. Partner: Officer Shin Seung-ah

Age: 41 Male Team: Violent Crimes Team 2 Partner: Officer Ra A doting father. He looks intimidating at work but cares deeply for Officer Ra. (Possesses great strength)

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

Age: 21 Male Team: Investigation Team 2 Partner: Inspector Gak Good with computers. Acts as Inspector Gak's navigator.

Age: 21 Gender: Female Team: Investigation Team 1 Partner: Officer Gong Serves as Officer Gong's mentor/senior.

Age: 20 Female Team: Investigation Team 3 Partner: Inspector Su Calm and modest. Gentle personality with a decent grasp of psychology.