라미란
Park Mi-young
이성경
Cho Ji-hye
윤상현
Jo Ji-chul
최수영
Yang Jang-mi
염혜란
Chief Civil Service Officer
위하준
Woo-jun
주우재
Philip
Kang Hong-suk
Yong-seok
김도완
Chan-young
전석호
Detective Oh
조병규
Youngest Detective
Lee Jung-min
Chae Sook-hee
하정우
Motel Staff
성동일
Hwang Bok-hyun
이레
Young Ji-hye
안성봉
Big Man
백승환
Police Chief
소희정
Se-jin's Mother
Kim Min-kyung
Youth Division Detective
Jo Hye-joo
Soo-bin
아누팜 트리파티
Arabian Subordinate
Choi Byung-yoon
Club Staff
Im Ye-eun
High School Student
Ahn Chang-hwan
Kang Sang-doo
Choi Hye-jin
Back Street Nostalgic Girl
Han Soo-hyun
Detective Kwak
Kim Han-sang
Past Citation Moderator
Park Se-jin
Girl Cop
임현성
Cyber Investigations Police
Park So-eun
Seo-jin
Chris Lyon
Carmelo
Seo Suk-kyu
Truck Driver in Accident
안재홍
Happy Balloons Boss
Kim Jun
Chan-woong
Seol Chang-hee
Seo-jin's Doctor
Kim Tae-jun
Criminal Affairs Division Civil Petitioner
배유람
Helium Balloon High Schooler
옥자연
New Pacific Suicide Female Victim
Kim Min-kyung
Woman & Youth Division Detective
Jeong Doo-won
Flirty Man at Club
Kim Gwang-seop
Shinchon Sunglasses Man
Song Ji-hyuk
Happy Balloon University Student
Lee Moon-bin
Guardhouse Conscripted Policeman
Jack Lyons
JD the Tatooist
Kim Chul-hwan
Helium Balloon High Schooler
Kim Ji-na
Former Female Taskforce
Gambhir Man Shrestha
Arab Owner of Big-sized Clothes Store
