Chun Woo-hee
Lee Na-mi

Yim Si-wan
Oh Jun-yeong

Kim Hie-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-kyo
Na-mi's friend

Yun Ki-chang
Detective

Lee Jung-chul
Taxi driver

Ryoo Je-seung
Missing team

Lee Geun-hoo
Victim

Lee Sae-byeol
Victim

Kim Geun-young
Victim