Papaloti

Ijehun

Jang-ho

Hanseoggyu

Sang-jin

Gangsola

Sook-hee

Ijaeyong

Gang Boss

Jingyeong

Mi-sun

Baeseong-U

Sang-jin's Alumnus (uncredited)

Jojin-Ung

Chang-soo

Gimjiseog

Drunken Man (cameo) (uncredited)

Isanghun

Teacher

Yoon Young-kyun

Delivery Man

Yang Han-yeol

Ji-min

Oh Dal-su

Principle Deok-saeng

Yoon Young-kyun

Delivery man