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Door Lock (2018)

December 5, 2018 (KR) Thriller, Crime, Mystery • 102m

Overview

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

Director

Lee Kwon

Top Billed

Gong Hyo-jin

Keywords

No keywords available for this title.

Top Billed Cast

Gong Hyo-jin
Gong Hyo-jin

Jo Kyeong-min

Kim Ye-won
Kim Ye-won

Oh Hyo-joo

Kim Seung-o
Kim Seung-o

Detective Lee

Jo Bok-rae
Jo Bok-rae

Kim Gi-jeong

Lee Ga-sub
Lee Ga-sub

Han Dong-hoon

Lee Chun-hee
Lee Chun-hee

Kim Sung-ho

Han Ji-eun
Han Ji-eun

Kang Seung-hye

Kim Jae-hwa
Kim Jae-hwa

Assistant Manager Park

Kim Kwang-kyu
Kim Kwang-kyu

Deputy Head of Department

Cha Yeob
Cha Yeob

Detective

Lee Jong-gu
Lee Jong-gu

Real Estate Agent

Lee Hong-nae
Lee Hong-nae

Police Officer

Jang Jun-nyeong
Jang Jun-nyeong

Detective Squad Chief

Ok Joo-ri
Ok Joo-ri

Woman at the Gym

Jung Jong-woo
Jung Jong-woo

Security Agent

Bae Myeong-jin
Bae Myeong-jin

Police Officer

Crew
Jeon Gun-ik
Jeon Gun-ik

Special Effects Supervisor

Kim Da-jung
Kim Da-jung

Costume Design

Lee Je-woo
Lee Je-woo

Lighting Director

Cho Byeong-yeon
Cho Byeong-yeon

Executive Producer

Kim Hee-gyeong
Kim Hee-gyeong

Production Manager

Lee Tae-wook
Lee Tae-wook

Special Props

Lee Kwon
Lee Kwon

Screenplay

Park Jung-hun
Park Jung-hun

Director of Photography

Gong Tae-won
Gong Tae-won

Sound Supervisor

Dalpalan
Dalpalan

Original Music Composer

Kwon Su-kyung
Kwon Su-kyung

Makeup & Hair

Lee Na-gyeom
Lee Na-gyeom

Production Design

Ha Jin-kyung
Ha Jin-kyung

Camera Operator



Reviews

Alunauwie

⭐ 7/10

September 18, 2025

Door Lock is a Korean thriller adapted from Sleep Tight, shifting the narrative to the victim’s perspective and delivering a tense atmosphere despite a slow start and a predictably weak protagonist. While the mystery keeps viewers engaged with clever misdirection, the portrayal of dismissive and judgmental police adds frustration to the story. The film serves as a stark reminder to stay vigilant and protect personal boundaries in an increasingly … read the rest.

Status

Released

Original Language

KO

Budget

Revenue

$11

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