백프로

Yoon Shi-yoon

Baek Se-jin

Yeo Jin-gu

Lee Byung-joo

Cheon Ho-Jin

Seok-gu

Lee Kyung-young

Principal

박상면

Byung-joo's father

Lee Won-jong

Jong-hee's father

공정환

Jeong-hwan

김보미

Yi-hwa