괴물

Song Kang-ho

Park Gang-du

변희봉

Park Hie-bong

박해일

Park Nam-il

Bae Doona

Park Nam-joo

고아성

Park Hyun-seo

Oh Dal-su

The Monster (voice)

이재응

Se-jin

Lee Dong-ho

Se-joo

윤제문

Homeless Man

임필성

Fat Guevara

Kim Roi-ha

Yellow Suit at Funeral

Koh Soo-hee

Hostage nurse

김학선

Civilian Military Kim

Scott Wilson

Douglas

Brian Rhee

Young Korean Doctor

Paul Lazar

American Doctor