Song Kang-ho
Park Gang-du
Byun Hee-bong
Park Hie-bong
Park Hae-il
Park Nam-il
Bae Doo-na
Park Nam-joo
Go Ah-seong
Park Hyun-seo
Oh Dal-su
The Monster (voice)
Lee Jae-eung
Se-jin
Lee Dong-ho
Se-joo
Yoon Je-moon
Homeless Man
Yim Pil-sung
Fat Guevara
Kim Roi-ha
Yellow Suit at Funeral
Koh Soo-hee
Hostage nurse
Park No-shik
Inquiry Officer
Kim Hak-sun
Civilian Military Kim
Scott Wilson
Douglas
Brian Rhee
Young Korean Doctor
Paul Lazar
American Doctor
David Anselmo
Donald
신승리
Donald's Girlfriend
Kwon Byung-gil
Doctor from Isolation Ward 1
손진호
Doctor from Isolation Ward 2
백도빈
Fumigation Truck Skinny Man
박정기
Fumigation Truck Dyed-hair Man
Jung In-gi
Doctor from Isolation Hospital
Park Jin-woo
Constable from Isolation Hospital
Maeng Bong-hak
Fisherman 1
손진환
Fisherman 2
권혁풍
Mr. Yoon
신현종
Mr. Yoon's Friend
Yoo Seung-mok
Taxi Driver
정강희
Mr. Yoon's Employee
이응재
Man from Couple
김진선
Woman from Couple
박경목
Groom-to-be
Kwon Bang-hyeon
Bride-to-be
Son Young-soon
Grandmother from Bus
김상조
Old Security Guard
최두영
Man on Blind Date
송경하
Woman on Blind Date
이종윤
4th Mat 1
Lee Dong-yong
4th Mat 2
정형호
4th Mat 3
김다연
5th Mat Woman
지하건
Camera Phone Man
Moon Hee-ra
Camera Phone Woman
정서윤
Woman with Long Hair
Lee Hoon-jin
Fat Man
Ra Mi-ran
Woman Stomping Her Feet
서하늘
Exchanged Girl
Lee Seung-jin
Girl's Father
최대성
Man from Duck Boat
김난희
Woman from Duck Boat
김추월
Woman crying
Min Kyung-jin
Altar Security
Kim Bi-bi
Nurse from Isolation Hospital 1
김효선
Nurse from Isolation Hospital 2
Choi Jae-sub
Detective Agency Subordinate 1
Yoo Yeon-soo
District officer Mr. Jo
Ko Chang-seok
Nursing Assistant from Isolation Ward 1
유인수
Nursing Assistant from Isolation Ward 2
서영주
Protester
Martin Lord Cayce
U.S. Senator
Clinton Morgan
Agent Yellow
Philip Hersh
Additional Voices (voice)