as Youngest Detective
as Rival Gang Boss
as Yoon
as Team Leader Shin
as Je-moon
as Ha Suk-jin
as math teacher
as Ju Hyeong-suk
as Monk Jukryong
as Manager Kim
as Hong Guk-yeong
as Sim Jong-soo
as Ryu Seung-yeon
as Song Sun-Pung
as Wi Byung-Joo
as King Hyeonjong
as Han Min-hyeok
as Hong Joon-man
as Kang Yoon-Ki
as Kang Nam-Gu
as Park Geon-ha
as Do Sang-ho
as Bang Yong-Min
as Jang Myung-Hwan
as Hang Kyung-hoon
as Choi Ki Tae
as 申贤宇
as Song Shi Kyung
