Cast
Big guy in front of club / Happy Balloons Boss
Ji-hye (Juvenile) / Young Ji-hye
Chief of felony crime squad / Hwang Bok-hyun
Arab subordinate 3 / Arabian Subordinate
Arab Owner of Big-sized Clothes Store
Woman and youth division detective
Criminal affairs division civil petitioner
Cyber crime police officer / Cyber Investigations Police
New Pacific female suicide victim / New Pacific Suicide Female Victim
Truck driver / Truck Driver in Accident
Seo-jin's mother / Se-jin's Mother
Female police officer (epilogue)
Department head / Chief Civil Service Officer
High school student 1 with helium balloon / Helium Balloon High Schooler
