Song Kang-ho
Role: Park Gang-du
Byun Hee-bong
Role: Park Hie-bong
Park Hae-il
Role: Park Nam-il
Bae Doona
Role: Park Nam-joo
Ko A-sung
Role: Park Hyun-seo
Oh Dal-su
Role: The Monster (voice)
Yoon Je-moon
Role: Homeless Man
Yim Pil-sung
Role: Fat Guevara
Kim Roi-ha
Role: Yellow Suit at Funeral
Koh Soo-hee
Role: Hostage nurse
Kim Hak-seon
Role: Civilian Military Kim
Scott Wilson
Role: Douglas
Brian Rhee
Role: Young Korean Doctor
Paul Lazar
Role: American Doctor
David Anselmo
Role: Donald
Baek Do-bin
Role: Fumigation Truck Skinny Man
Martin Lord Cayce
Role: U.S. Senator (uncredited)
Choi Dae-sung
Role: Man from Duck Boat (uncredited)
Choi Doo-yeong
Role: Man on Blind Date (uncredited)
Choi Jae-sup
Role: Detective Agency Subordinate 1 (uncredited)
Jung Seo-yoon
Role: Woman with Long Hair (uncredited)
Philip Hersh
Role: Additional Voices (voice) (uncredited)
Jeong In-gi
Role: Isolation Ward Doctor (uncredited)
Jeong Hyeong-Ho
Role: 4th Mat 3 (uncredited)
Ji Ha-geon
Role: Camera Phone Man (uncredited)
Moon Hee-Ra
Role: Camera Phone Woman (uncredited)
Jeong Kang-hee
Role: Mr. Yoon's Employee (uncredited)
Kim Bi-bi
Role: Isolation Ward Nurse 1 (uncredited)
Kim Choo-wol
Role: Woman crying (uncredited)
Kim Da-yeon
Role: 5th Mat Woman (uncredited)
Kim Hyo-sun
Role: Quarantine Hospital Nurse 2 (uncredited)
Kim Jin-seon
Role: Woman from Couple (uncredited)
Kim Nan-hee
Role: Woman from Duck Boat (uncredited)
Kim Sang-jo
Role: Old Security Guard (uncredited)
Kwon Bang-hyeon
Role: Bride-to-be (uncredited)
Kwon Byung-gil
Role: Doctor from Isolation Ward 1 (uncredited)
Kwon Hyeok-pung
Role: Fisherman 1 (uncredited)
Lee Dong-yong
Role: 4th Mat 2 (uncredited)
Lee Eung-jae
Role: Man from Couple (uncredited)
Lee Hoon-jin
Role: Fat Man (uncredited)
Lee Jong-yoon
Role: 4th Mat 1 (uncredited)
Lee Seung-jin
Role: Girl's Father (uncredited)
Min Kyung-jin
Role: Altar Security (uncredited)
Clinton Morgan
Role: Agent Yellow (uncredited)
Park Jeong-gi
Role: Fumigation Truck Dyed-hir Man (uncredited)
Park Kyeong-mok
Role: Groom-to-be (uncredited)
Park No-shik
Role: Inquiry Officer
Ra Mi-ran
Role: Woman Stomping Her Feet (uncredited)
Seo Ha-neul
Role: Exchanged Girl (uncredited)
Shin Seung-ri
Role: Donald's Girlfriend (uncredited)
Shin Hyeon-jong
Role: Mr. Yoon's Friend (uncredited)
Son Young-soon
Role: Grandmother from Bus (uncredited)
Son Jin-ho
Role: Doctor from Isolation Ward 2
Song Kyeong-ha
Role: Woman on Blind Date (uncredited)
Yoo Seung-mok
Role: Taxi Driver
Yoo Yeon-soo
Role: District officer Mr. Jo (uncredited)
Seo Young-ju
Role: Protester
Park Jin-woo
Role: Isolation Ward Constable (uncredited)
Yoo In-soo
Role: Nursing assistant
