The Classified File

Kim Yun-seok

Gong Gil-yong

Yoo Hai-jin

Kim Joong-san

Lee Jung-eun

Eun-joo's Mother

Song Young-chang

Eun-joo's Father

Hwang Chae-won

Eun-joo

Jang Young-nam

Eun-joo's Aunt

Jung Ho-bin

Seo Jung-hak

Lee Jae-yong

Fortuneteller Baek

Park Hyo-ju

Gil-yong's Wife

Lee Hyo-je

Gil-yong's Son

Nam Moon-chul

Chief of Police Office

Lee Jun-hyeok

Mae Seok-hwan

Kim Won-jin

Central Detective #3

Kim Ran-heun

Seoul Police

Joo Young-ho

Detective

Lee Yoon-hee

Chief of Criminal Investigation

Jeong Min-gyu

Hyun Bong-sik

Detective

Lee So-young

Teacher

Won Choi

Detective 4

Song Seung-hyun

Detective's son