I Saw the Devil

Lee Byung-hun

as

Kim Soo-hyeon

Choi Min-sik

as

Kyung-chul

Jeon Kuk-hwan

as

Squad Chief Ja...

Cheon Ho-jin

as

Section Chief ...

Oh San-ha

as

Joo-yeon

Kim Yoon-seo

as

Se-yeon

Nam Bo-ra

as

Section Chief'...

Lee Jun-hyuk

as

NIS Agent

Yoon Chae-yeong

as

Nurse Han Song...

Choi Moo-seong

as

Tae-joo

Kim In-seo

as

Se-jung

Kim Kap-soo

as

Planning Team ...

Um Tae-goo

as

Detective

Choi Jin-ho

as

Planning Direc...

Mi-nam Jeong

as

Gangster in Ta...

Jo Deok-jae

as

Detective Kang

Jang Jeong-won

as

Kyung-chul's S...

Park Seo-yeon

as

Woman at Pensi...

Lee Seol-gu

as

Gangster in Ta...

Kim Yeong-chan

as

Young Pharmaci...

Goo Yong-wan

as

Corporal

Kim Dae-hye

as

Hospital Worker

Kim Jae-geon

as

Old Doctor

Park Ji-yeon

as

Teacher

Son Young-soon

as

Kyung-chul's M...

Nam Hyeon-joo

as

Section Chief ...

Han Chul-woo

as

Detective Park

Sin Jeong-hoon

as

Policeman at S...

Han Se-joo

as

Woman on Bus

Park Jeong-gi

as

Sergeant

Jo Myeong-yeon

as

Detective

Kim Bong-soo

as

Kyung-chul's F...

Kim Kang-il

as

Park Han-gi

Sin Sin-Beom

as

Old Pharmacist

Seol Chang-hee

as

Detective

Yoon Byung-hee

as

Jang-goo

Jung Tae-sung

as

Hotel Agent

Jang In-seo

as

Student