Voice of a Murderer

Sul Kyung-gu

Han Kyung-Bae

Kim Nam-ju

Oh Ji-Sun

Gang Dong-won

Kidnapper

Song Young-chang

Captain No

Koh Soo-hee

Cha Su-Hee

Kim Yeong-cheol

Kim Wook-Jung

Kim Kwang-kyu

Chief detective

Yoon Je-moon

Priest

Na Moon-hee

Kyung-Bae's mother

Jeon Hye-jin

Lee Ae-sook

Choi Jung-yoon

TV announcer (uncredited)

Park Hyun-young

Patrol Officer (uncredited)

Gook Dong-seok

Taxi Driver (uncredited)

Lee Young-hee

Deaconess (uncredited)

Kim Young-pil

Han In-seok