 Song Kang-hoPark Gang-du | Park Gang-du |
 Byun Hee-bongPark Hie-bong | Park Hie-bong |
 Park Hae-ilPark Nam-il | Park Nam-il |
 Bae DoonaPark Nam-joo | Park Nam-joo |
 Ko AsungPark Hyun-seo | Park Hyun-seo |
 Oh Dal-suThe Monster (voice) | The Monster (voice) |
 Lee Jae-eungSe-jin | Se-jin |
| LLee Dong-hoSe-joo | Se-joo |
 Yoon Je-moonHomeless Man | Homeless Man |
 Yim Pil-sungFat Guevara | Fat Guevara |
 Kim Roi-haYellow Suit at Funeral | Yellow Suit at Funeral |
 Koh Soo-heeHostage nurse | Hostage nurse |
 Park No-shikInquiry Officer | Inquiry Officer |
 Kim Hak-sunCivilian Military Kim | Civilian Military Kim |
 Scott WilsonDouglas | Douglas |
| BBrian RheeYoung Korean Doctor | Young Korean Doctor |
 Paul LazarAmerican Doctor | American Doctor |
 David AnselmoDonald | Donald |
| SShin Seung-riDonald's Girlfriend | Donald's Girlfriend |
 Kwon Byung-gilDoctor from Isolation Ward 1 | Doctor from Isolation Ward 1 |
 Son Jin-hoDoctor from Isolation Ward 2 | Doctor from Isolation Ward 2 |
 Baek Do-binFumigation Truck Skinny Man | Fumigation Truck Skinny Man |
 Park Jeong-giFumigation Truck Dyed-hair Man | Fumigation Truck Dyed-hair Man |
 Jung In-giDoctor from Isolation Hospital | Doctor from Isolation Hospital |
 Park Jin-wooConstable from Isolation Hospital | Constable from Isolation Hospital |
 Maeng Bong-hakFisherman 1 | Fisherman 1 |
 Son Jin-hwanFisherman 2 | Fisherman 2 |
 Kwon Hyeok-pungMr. Yoon | Mr. Yoon |
 Shin Hyeon-jongMr. Yoon's Friend | Mr. Yoon's Friend |
 Yoo Seung-mokTaxi Driver | Taxi Driver |
