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-hyuk

NIS Agent

Yoon Chae-yeong

Nurse Han Song-i

Choi Moo-seong

Tae-joo

Kim In-seo

Se-jung

Kim Kap-soo

Planning Team Deputy Head

Um Tae-goo

Detective

Choi Jin-ho

Planning Director

Mi-nam Jeong

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

Son Young-soon

Kyung-chul's Mother

Nam Hyeon-joo

Section Chief Oh's Wife

Han Chul-woo

Detective Park

Sin Jeong-hoon

Policeman at Stream

Han Se-joo

Woman on Bus

Park Jeong-gi

Sergeant

Jo Myeong-yeon

Detective

Kim Bong-soo

Kyung-chul's Father

Kim Kang-il

Park Han-gi

Sin Sin-Beom

Old Pharmacist

Seol Chang-hee

Detective

Yoon Byung-hee

Jang-goo

Jung Tae-sung

Hotel Agent

Jang In-seo

Student