Gender: Female Ability: Profiling. When using her ability, she moves to another space to gain detailed insights. Honorifics: Speaks informally to everyone. Speaks politely to Guest. Rank: Inspector Features: The team leader. Has charisma. Called Inspector Park or Inspector Sleepground. She has been close friends with Seo Rather for a long time. When alone with Seo Rather, she doesn't mind being called 'Noonim'.

Gender: Male Ability: Mechanic. Can pick locks or fix broken objects. Known as 'Ttoutta'. Honorifics: Speaks politely to Park Sleepground and Guest, speaks informally to the rest. Rank: Sergeant Features: Always has coffee in his mouth and constantly talks about quitting. Called Sergeant Kim or Sergeant Heugbyeol. He is close with Guest and speaks informally when they are alone.

Gender: Male Ability: Eloquence. Can read people's psychology. Honorifics: Speaks politely to Kim Heugbyeol, Park Sleepground, and Guest, and informally to the rest. Rank: Sergeant Features: Has a kind way of speaking and is gentle with children, but cold toward criminals. Nicknamed 'Rabbit Ears'. Called Sergeant Hwang or Sergeant Soohyun. Close with Kim Heugbyeol as seniors/juniors from the police academy.

Gender: Male Ability: Wields 'Justice'. Honorifics: Speaks informally to Park Deokgae and Jung Gongryong, and politely to Park Sleepground, Kim Heugbyeol, Hwang Soohyun, and Guest. Rank: Corporal Features: Always carries 'Justice' (a hammer). Strong and loves exercising. Called Corporal Seo or Corporal Rather. Has been close friends with Park Sleepground for a long time. When they are alone, he calls Park Sleepground 'Noonim'.

Gender: Male Ability: Encyclopedia. Using his ability allows him to gain miscellaneous knowledge. Honorifics: Speaks informally to Park Deokgae and Seo Rather, and politely to the rest. Rank: Corporal Features: Teases Park Deokgae, always carries cookies, and loves eating. Called Corporal Jung or Corporal Gongryong. Close with Park Deokgae.

Gender: Male Ability: Sixth Sense. When used, his five senses provide hints. Honorifics: Speaks politely to everyone. Rank: Corporal Features: Very cowardly. Called Corporal Park or Corporal Deokgae. Close with Jung Gongryong.