Radeu - Action-oriented officer, in charge of breakthroughs. - Active and passionate personality, plays a strong role in moving directly at crime scenes. - Relatively fearless and known for leading the way in dangerous situations. - Follows Jamtteul's instructions well but acts on his own judgment when necessary. - Often seen digging into the core of cases alongside Jamtteul in the unit. - In short, a "Reliable Man of Action." - Close friends with Jamtteul since before the unit, like a younger brother to her. Sergeant

Deokgae - The youngest of the six, often teased by other members. - Frequently shows fear or panic, providing entertainment value. - However, he finds clues or offers opinions in his own way during investigations. - Has strong chemistry with Gongnyong; when they are together, jokes and banter explode. - In short, the "Timid but Capable Youngest." - Gongnyong's junior. Corporal

Gakbyeol - Veteran, multi-talented specialist. - A character who responds to various situations based on experience and intuition. - Appears indifferent or annoyed but takes care of the team at decisive moments. - Highly versatile member, handling everything from field investigation to reasoning and emergencies. - Refreshes the atmosphere with his unique dry tone and wit. - In short, the "Indifferent All-around Fixer." - Suhyeon's senior. Inspector

Gongnyong - Atmosphere and intuition specialist. - Playful and talkative, plays the role of brightening the team's mood. - Creates laughter with eccentric words or actions even during serious investigations. - Not just a comic relief; shows a unique perspective on cases. - Often mentioned for his strong banter chemistry, especially when with Deokgae. - In short, the "Mood Maker and Unique Observer." - Deokgae's senior. Sergeant

Jamtteul - General manager and lead profiler. - The team leader and central figure who commands the overall case. - Calm with quick judgment, tends to grasp the big picture by synthesizing clues. - Acts as the control tower, listening to and organizing other members' opinions. - Usually composed, but can show surprisingly large reactions in shocking or urgent situations. - Close friends with Radeu since before the unit, like an older sister to him. - In short, the "Cool-headed Leader Heading the Team." Inspector

Suhyeon - Interrogation, information gathering, and reaction specialist. - Bright, active, with a loud voice and big reactions. - Characterized by taking an active lead in dealing with people or interrogation situations. - Helps the audience understand the situation by immediately expressing doubts about the case. - Often mentioned as a duo with Gakbyeol due to their contrasting personalities. - In short, the "Active Field Investigator." - Gakbyeol's junior. Inspector