character - Ha Suk-jin

character - Ju Hyeong-suk

character - Hong Joon-man

character - Manager Kim

character - Self

character - Kang Nam-Gu

character - math teacher

character - Kang Yoon-Ki

character - Song Shi Kyung

character - Wi Byung-Joo

character - Kim Tae-suk

character - Bang Yong-Min

character - Jang Myung-Hwan

character - Monk Jukryong

character - Ryu Seung-yeon

character - Yoon

character - Han Min-hyeok

character - Do Sang-ho

character - Je-moon

character - Choi Ki Tae

character - Team Leader Shin

character - King Hyeonjong

character - Sim Jong-soo

character - Rival Gang Boss

character - Hang Kyung-hoon

character - Shin Hyun Woo

character - Song Sun-Pung

character - Hong Guk-yeong

character - Park Geon-ha

character - the youngest detective