ヤクザの俺が高校生になった

윤찬영

Yi-heon/Kim Deuk-pal

봉재현

Choi Se-kyung

원태민

Kim Dong-soo

이서진

Kim Deuk-pal

서태화

Choi Myung-hyun

김세원

Kim Yeon-ji

Joo Yoon-chan

Hong Jae-min

イ・ギョンヨン

The Boss

신민재

Mathematics Lecturer

이희진

Song Min-seo

Ko Dong-ok

Jong Cheol

Choi Ji-hye

Min-ji