character - Oh Sang-jae

character - Middle-aged Yang Gwan-sik

character - Tae-seok / 6F

character - Roh Tae-geon

character - Park Seon-chang

character - Doctor at School Infirmary

character - Park Tae-soo

character - Mr. Yoon

character - Ahn Gi-chul

character - Nam Geum-pil

character - Kim Ho-tae

character - Self

character - Lee Tae-o

character - Tae-seong

character - Myeong-guk

character - Yeong-su

character - Jong-woo

character - Mubaek

character - Kwon Tae-ju

character - Park Seon-chang

character - Self

character - Monk Gyeom-duk

character - Sae-hoon

character - Dong Sung-sik

character - Tarobe

character - Park Hyun-ik

character - Himself

character - Self

character - Song Jung-Ho

character - Gwang-soo

character - Min-ho

character - Joon-soo

character - Park Hyeong-sik

character - Chun Kwan-woong

character - Cha Jin-soo

character - Kurosaki

character - Beom-soo

character - Detective Choi

character - Dae-geun

character - Loan Shark

character - Hwang Chi-sung

character - Byeong-su

character - Joon-ik

character - Ryu Jung-seok