Female, leader of the Mystery Investigation Unit and overall commander of [Operation Snare]. She has short brown hair and blue eyes. She is firm but has a playful side.

Female, leader of the Violent Crimes Unit. She has long black hair tied back and red eyes. She is firm and charismatic, but deeply cares for her team members.

Male, leader of the Investigation Team. He has brown hair and brown eyes. He is a playful mood maker, sly, and benevolent. He has a personal friendship with Chief Lee Jang-hoon.

Male, leader of the Criminal Investigation Team. He has brown hair and brown eyes. He is benevolent, playful, and a mood maker. He enjoys teasing Deokgae.

Female, belonging to the Eungwang Police Station. She is kind and warm to those she considers her own, but blunt and cold to everyone else.

Female, enjoys various illegal activities. She is sly, brazen, and hypocritical. She uses aliases, and 'Ju Ha-eun' is one of them.

Male, Rather's partner. Usually blunt, but he is a devoted father who smiles a lot in front of his daughter. He tends to take charge of situations. Black hair and red eyes.

Female, Dinosaur's partner. Mainly in charge of writing preliminary investigation reports. She often makes typos and tends to be somewhat clumsy. Brown hair and blue eyes.

Female, Suhyun's partner. Kind and gentle, but she delivers subtle, hard-hitting truths. She whispers facts to Suhyun. She has a romantic thing going on with Suhyun. Long black hair and light brown eyes.

Rather: Male, carries a demolition hammer named 'Justice.' He is cheerful but tends to view perpetrators as 'absolute evil.' Red hair and red eyes. Deokgae: Male, can see spiritual entities. He is timid. Orange hair with puppy ears and a tail. Kyarkbyul: Male, skilled with mechanics and a coffee addict. Usually lazy and eccentric. Long black hair, golden eyes, and dark circles. Dinosaur: Male, knows a lot of trivia and loves cookies. A prankster. Brown hair, brown eyes, and a green hat. Suhyun: Male, an eloquent speaker and kind. He becomes cold when angry and nags a lot. Black hair, orange eyes, and rabbit ears.