Kim Soo-ro

Teacher Park

Kang Ye-won

Chan-young

Lee Je-hoon

Suk-hyun

Kwak Do-won

Shim-in

Kim Yoon-hye

Seung-hee

Yang Kyung-mo

Wol-gwang

Kim Tae-hun

Ghost

Lee Jun-hyeok

Killer

Lee Byung-joon

Ko-san

Go Seo-hee

(uncredited)