Bluebeard

Cho Jin-woong

Seung-hoon

Mun Jung Hyun

Young Hoon

신구

Sung-geun's Father

김대명

Sung-geun

송영창

Mysterious Man

이청아

Mi-yeon

윤세아

Soo-jung

김주령

Mi-sook

손지나

Ji-sook

정아미

Bae Jeong-ja

김경민

Hospital Director

조현우

Detective