Chun Woo-hee

Lee Na-mi

Yim Si-wan

Oh Jun-yeong

Kim Hee-won

Woo Ji-man

Park Ho-san

Lee Seung-woo

Kim Ye-won

Jeong Eun-joo

Jeon Jin-oh

Kim Jeong-ho

Oh Hyun-kyung

CEO Oh

Ryu Sung-hyun

Chief of Detective

Jeon Ik-ryoung

Jeong-mi

Kim Joo-ryoung

Eun-mi

Lee Jung-eun

Chu-yeong

Kim Sun-hoa

Ja-eun

Kim Min-ju

Soo-jin

Lee Yong-nyeo

In-ja

Kil Hae-yeon

Je-yeon

Choi Chan-ho

Woo Jun-yeong

Baek Do-kyeom

KCSI Team Leader

Park So-eul

Young Lee Na-mi

Lee Chang-yong

Cybercrime Detective

Park Joo-young

Na-mi's friend

Kim Yeon-gyo

Na-mi's friend

Yun Ki-chang

Detective

Lee Jung-chul

Taxi driver

Ryoo Je-seung

Missing team

Lee Sae-byeol

Victim

Kim Geun-young

Victim