I Saw the Devil

Lee Byung-hun

Kim Soo-hyeon

Choi Min-sik

Kyung-chul

Jeon Kuk-hwan

Squad Chief Jang

Cheon Ho-jin

Section Chief Oh

Oh San-ha

Joo-yeon

Kim Yoon-seo

Se-yeon

Nam Bo-ra

Section Chief's Daughter

Lee Jun-hyeok

NIS Agent

Yoon Chae-yeong

Nurse Han Song-i

Choi Mu-sung

Tae-joo

Kim In-seo

Se-jung

Kim Kap-soo

Planning Team Deputy Head

Um Tae-goo

Detective

Choi Jin-ho

Planning Director

Jeong Mi-nam

Gangster in Taxi

Jo Deok-jae

Detective Kang

Jang Jeong-won

Kyung-chul's Son

Park Seo-yeon

Woman at Pension

Lee Seol-gu

Gangster in Taxi

Kim Yeong-chan

Young Pharmacist

Goo Yong-wan

Corporal

Kim Dae-hye

Hospital Worker

Kim Jae-geon

Old Doctor

Park Ji-yeon

Teacher