류승범

Suk-go

이요원

Hwa-sun

Cho Jin-woong

Detective Min-bum

김윤성

Sang-joon

김보라

Yoon-ah

이석준

Nam Tae-woo

임성민

Jung-sook

곽민호

Chul-min

Kwon Hae-hyo

Team Leader

남문철

Director

Kim Ah-ron

Girl

Kim Joo-ryoung

Madame

Park Hyoung-soo

Investigator 1

남연우

Investigator 2

Lee Kyoo-hyung

Suk-go (Teen)

동방우

Innkeeper

Song Young-chang

Lie detector investigator

Choi Young-woo

Forensic team member #1