ong - ho on ▁bel ieves ▁Kim ▁must ▁hide ▁in ▁the ▁building , ▁which ▁makes ▁the ▁workers ▁afraid ▁to ▁work . ▁ ▁Cast ▁Go ▁Ah - s ung ▁as ▁Lee ▁Mi - ra e ▁ ▁Park ▁S ung - wo ong ▁as ▁J ong - ho on ▁B ae ▁Se ong - wo o ▁as ▁Kim ▁By e ong - go ok ▁ ▁Kim ▁E ui - s ung ▁as ▁Kim ▁Sang - gy u ▁ ▁Ry u ▁Hy un - ky ung ▁as ▁Hong ▁Ji - sun ▁ ▁Lee ▁Ch ae - e un ▁as ▁Ye om ▁Ha - you ng ▁▁ ▁Son ▁So o - hy un ▁as ▁Shin ▁Da - mi ▁ ▁Park ▁Jung - min ▁as ▁Lee ▁W on - su k ▁ ▁Oh ▁D ae - h wan ▁as ▁Jung ▁J ae - il ▁ ▁Lee ▁Moon - j ung ▁as ▁E un - yi ▁ ▁Ch oi ▁By ung - mo ▁as ▁Kim ▁T ae - hy ung ▁ ▁Gi ▁Ju - b ong ▁as ▁Det ect ive ▁squad ▁chief ▁ ▁Son ▁Young - so on ▁as ▁By e ong - go ok ' s ▁mother ▁ ▁Awards ▁and ▁nomin ations ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁ ▁Category : S outh ▁Korean ▁films ▁Category : S outh ▁Korean ▁horror ▁films ▁Category : S outh ▁Korean ▁slash er ▁films ▁Category : 2 0 1 0 s ▁horror ▁thr iller ▁films ▁Category : 2 0 1 5 ▁horror ▁films ▁Category : S outh ▁Korean ▁horror ▁thr iller ▁films <0x0A>