Bong Joon Ho Director, Screenplay
David Anselmo Donald
Song Kang-ho Park Gang-du
Lee Jae-eung Se-jin
Jung Seo-yoon Woman with Long Hair (uncredited)
Oh Dal-su The Monster (voice)
Bae Doona Park Nam-joo
Ra Mi-ran Woman Stomping Her Feet (uncredited)
Kim Jin-seon Woman from Couple (uncredited)
Scott Wilson Douglas
Ko A-sung Park Hyun-seo
Park Hae-il Park Nam-il
Yoo Seung-mok Taxi Driver
Jeong In-gi Isolation Ward Doctor (uncredited)
Son Young-soon Grandmother from Bus (uncredited)
Yoon Je-moon Homeless Man
Choi Tae-young Sound
Ko Chang-seok Nurse
Byun Hee-bong Park Hie-bong
Kim Nan-hee Woman from Duck Boat (uncredited)
Park Jin-woo Isolation Ward Constable (uncredited)
Kim Hyun-woo Co-Executive Producer
Kim Hak-seon Civilian Military Kim
Lee Dong-yong 4th Mat 2 (uncredited)
Kim Roi-ha Yellow Suit at Funeral
Hwang Hyo-kyun Special Effects Makeup Artist
Kim Won-jung Stunts
Lee Byung-woo Original Music Composer
Park No-shik Inquiry Officer
Cho Sang-kyung Costume Design
Jang Seok-ho Props
Miky Lee Executive Producer
Jeong Tae-sung Executive Producer
Min Kyung-jin Altar Security (uncredited)
Kim Bi-bi Isolation Ward Nurse 1 (uncredited)
Choi Dae-sung Man from Duck Boat (uncredited)
Koh Soo-hee Hostage nurse
Yim Pil-sung Fat Guevara
Coll Anderson Sound Designer
Kwak Tae-yong Special Effects Makeup Artist
Lee Hee-eun Special Effects Makeup Artist
Kim Woo-taek Executive Producer
Ryu Seong-hie Production Design
Yoo Yeon-soo District officer Mr. Jo (uncredited)
Kim Sun-min Editor
Paul Lazar American Doctor
Kim Hyung-koo Director of Photography
Yang Hae-gil Stunts
Lee Yong-kii Colorist
Sean Garnhart Sound Designer
Kim Byung-seo Camera Operator
Song Jong-hee Makeup & Hair
Shin Hyeon-jong Mr. Yoon's Friend (uncredited)
Jung Sung-jin Visual Effects Director
Seo Ji-oh Stunts
Park Yong-ki Sound Re-Recording Mixer
Kwon Byung-gil Doctor from Isolation Ward 1 (uncredited)
Lee Tae-yeong Stunts
Choi Jae-sup Detective Agency Subordinate 1 (uncredited)
Kang Jong-ik VFX Supervisor
Kwak Jung-ae Costume Design
Bill Orrico Sound Effects Editor
Kim Choo-wol Woman crying (uncredited)
Baek Do-bin Fumigation Truck Skinny Man
Han Jae-min Colorist
Yang Hong-sam Set Decoration
Lee Seung-chul Production Sound Mixer
Joo Byeol Adaptation
Karen Kelly Visual Effects Coordinator
Kim Won-jung Stunts
Rob Nokes Sound Effects
Kwon Hyeok-pung Fisherman 1 (uncredited)