엄지원

Ji-sun

공효진

Han-mae

김희원

Detective Park

박해준

Park Hyun-ik

이성욱

Detective Suh

전석찬

Detective Nam

고준

Jin-hyuk

Kim Sun-young

Massage Parlor Owner

장원영

Suk-ho

길해연

Mother-in-law

Kim Jin-goo

Suk-ho's Mother

염문경

Stewardess

이용이

Caregiver Grandmother

김지훈

Kim

신담수

Policeman

Kim Ki-ho

Doctor

Ju Min-ha

Woman from 10th floor