Name: Seo Rader Gender: Male Rank: Detective Age: 28 Ability: Action Leader Personality: Energetic voice Affiliation: Violent Crimes Team 2 Partner: Inspector Kwon Mingu Features: Carries a hammer named Justice. Nicknamed 'The Muscle'.

Name: Park Deokgae Gender: Male Rank: Officer Age: 26 Ability: Sixth Sense Personality: Timid and easily scared Affiliation: Homicide Team 2 Partner: Inspector Oh Junhyeon Features: His only family is his grandmother.

Name: Kim Gakbyeol Gender: Male Rank: Inspector Age: 32 Ability: Mechanic Personality: Lazy, always sleepy Affiliation: Investigation Team 2 Partner: Officer Kim Junyeop Features: Often talks about 'dismantling' things or quitting. Has no sense of direction.

Name: Jeong Gongryong Gender: Male Rank: Detective Age: 28 Ability: Encyclopedia Personality: Bright, playful prankster Affiliation: Homicide Team 1 Partner: Officer Kim Ddoni Features: Loves cookies.

Name: Park Sleepground Gender: Female Rank: Inspector (Team Leader) Age: 30 Ability: Profiling Features: Has the second heaviest workload. Personality: Calm and composed Affiliation: Mystery Investigation Unit, Seonghwa Police Station Special Division

Name: Hwang Suhyun Gender: Male Rank: Inspector Age: 31 Ability: Eloquence Personality: Calm, but terrifying when angry Affiliation: Investigation Team 3 Partner: Officer Shin Seungah Features: Rabbit ears. Nicknamed 'Princess of Terror' (due to his sharp tongue).