Ra Mi-ran
Park Mi-young
Acting
Lee Sung-kyoung
Cho Ji-hye
Acting
Yoon Sang-hyun
Jo Ji-chul
Acting
Choi Soo-young
Yang Jang-mi
Acting
Yeom Hye-ran
Chief Civil Service Officer
Acting
Wi Ha-jun
Woo-jun
Acting
Joo Woo-jae
Philip
Acting
Kang Hong-suk
Yong-seok
Acting
Kim Do-wan
Chan-young
Acting
Jun Suk-ho
Detective Oh
Acting
Cho Byeong-kyu
Youngest Detective
Acting
Lee Jung-min
Chae Sook-hee
Acting
Ha Jung-woo
Motel Staff
Acting
Sung Dong-il
Hwang Bok-hyun
Acting
Lee Re
Young Ji-hye
Acting
Ahn Seong-bong
Big Man
Acting
Baek Seung-hwan
Police Chief
Acting
So Hee-jung
Se-jin's Mother
Acting
Kim Min-kyung
Youth Division Detective
Acting
Jo Hye-joo
Soo-bin
Acting
Jack Lyons
JD the Tatooist
Acting
Anupam Tripathi
Arabian Subordinate
Acting
Choi Byung-yoon
Club Staff
Acting
Im Ye-eun
High School Student
Acting
Ahn Chang-hwan
Kang Sang-doo
Acting
Choi Hye-jin
Back Street Nostalgic Girl
Acting
Han Soo-hyun
Detective Kwak
Acting
Kim Han-sang
Past Citation Moderator
Acting
Park Se-jin
Girl Cop
Acting
Lim Hyun-sung
Cyber Investigations Police
Acting
Park So-eun
Seo-jin
Acting
Chris Lyon
Carmelo
Acting
Seo Suk-kyu
Truck Driver in Accident
Acting
Ahn Jae-hong
Happy Balloons Boss
Acting
Kim Jun
Chan-woong
Acting
Seol Chang-hee
Seo-jin's Doctor
Acting
Kim Tae-jun
Criminal Affairs Division Civil Petitioner
Acting
Bae Yoo-ram
Helium Balloon High Schooler
Acting
Ok Ja-yeon
New Pacific Suicide Female Victim
Acting
Kim Min-kyung
Woman & Youth Division Detective
Acting
Jeong Doo-won
Flirty Man at Club
Acting
Kim Gwang-seop
Shinchon Sunglasses Man
Acting
Kim Chul-hwan
Helium Balloon High Schooler
Acting
Kim Ji-na
Former Female Taskforce
Acting
Song Ji-hyuk
Happy Balloon University Student
Acting
Lee Moon-bin
Guardhouse Conscripted Policeman
Acting
Gambhir Man Shrestha
Arab Owner of Big-sized Clothes Store
Acting