Unlocked

Chun Woo-hee

as

Lee Na-mi

Yim Si-wan

as

Oh Jun-yeong

Kim Hee-won

as

Woo Ji-man

Park Ho-san

as

Lee Seung-woo

Kim Ye-won

as

Jeong Eun-joo

Jeon Jin-oh

as

Kim Jeong-ho

Oh Hyun-kyung

as

CEO Oh

Ryu Sung-hyun

as

Chief of Detec...

Jeon Ik-ryoung

as

Jeong-mi

Kim Joo-ryoung

as

Eun-mi

Lee Jeong-eun

as

Chu-yeong

Kim Sun-hoa

as

Ja-eun

Kim Min-ju

as

Soo-jin

Lee Yong-nyeo

as

In-ja

Kil Hae-yeon

as

Je-yeon

Choi Chan-ho

as

Woo Jun-yeong

Baek Do-kyeom

as

KCSI Team Lead...

Park So-eul

as

Young Lee Na-mi

Park Byeong-ho...

as

Detective

Lee Chang-yong

as

Cybercrime Det...

Park Joo-young

as

Na-mi's friend

Kim Yeon-gyo

as

Na-mi's friend

Yun Ki-chang

as

Detective

Lee Jung-chul

as

Taxi driver

Ryoo Je-seung

as

Missing team

Kim Ye-ji

as

Police

Lee Geun-hu

as

Victim

Lee Sae-byeol

as

Victim

Kim Geun-young

as

Victim