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 Jeong-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