Door Lock

Gong Hyo-jin

Jo Kyeong-min

Kim Ye-won

Oh Hyo-joo

Kim Sung-oh

Detective Lee

Jo Bok-rae

Kim Gi-jeong

Lee Ga-sub

Han Dong-hoon

Lee Chun-hee

Kim Sung Ho

Han Ji-eun

Kang Seung Hye

Kim Jae-hwa

Assistant Manager Park

Kim Kwang-kyu

Deputy Head of Department

Cha Yup

Detective

Lee Jong-goo

Real Estate Agent

Lee Hong-nae

Police

Yeom Moon-Gyeong

Employee

Lee Sang-hee

Manager

Park Sook Myung

"aunt"

Jang Jun-nyeong

Detective squad chief

Ok Joo-ri

Woman at the gym

Jung Jong-woo

Security agent

Bae Myung-jin

Police officer