The Monster in the Mirror

Kim Yi-kyeong

Sim Sung-hee

Hong Jong-hyun

Moon Do-hyeok

Son Kang-gook

An Do-gang

Kim Il-woo

Hong Su-hyeok

Kim Yu-mi

Hwang Ji-seon

Go Seo-hee

Madam Gong

Park Bu-keon

Director Park

Yeo Dae-hyun

Detective