텔 미 썸딩

한석규

Detective Cho

심은하

Chae Su-yeon

장항선

Detective Oh

유준상

Kim Ki-yeon

염정아

Oh Seung-min

Ан Сок Хван

Prosecutor Gu

김정학

Detective Lee

Gil Eun-hye

Young Soo-yeon

Park Cheol-ho

Section Chief Yoo

Lee Hwan-jun

Detective Kim

권태원

Chae Yong-hoon

이대로

Chief of Police

맹봉학

Museum Colleague

Kwon Nam-hee

Soo-yeon's Mother