Bong Joon Ho Director, Writer
Lee Jae-eung Little Boy
Ryu Tae-ho Jo Byung-soon
Song Kang-ho Detective Park Doo-man
Yeom Hye-ran So-hyun's Mother
Park Hae-il Park Hyeon-gyu
Kim Joo-ryoung Nurse
Son Jin-hwan Fellow Detective
Yoo Seung-mok Journalist
Lee Hee-eun Makeup Effects Designer
Park Jin-woo Broadcast Station AD
Byun Hee-bong Sergeant Koo Hee-bong
Jeon Mi-seon Kwok Seol-yung
Kim Roi-ha Detective Cho Yong-koo
Park No-shik Baek Kwang-ho
Kim Sang-kyung Detective Seo Tae-yoon
Jung In-sun Little Girl
Jung Do-ahn Special Effects Supervisor
You Cheong Props
Kim Sun-min Editor
Seo Young-hwa Woman from Hill
Kim Hyung-koo Director of Photography
Song Jae-ho Sergeant Shin Dong-chul
Baek Bong-ki Cop Dressed as Woman
Shin Hyeon-jong Autopsy
Choi Tae-young Sound Supervisor
Kwon Byung-gil Doctor Noh
Lee Dong-yong Suspect
Kang Jong-ik VFX Supervisor
Go Seo-hee Officer Kwon Kwi-ok
Park Hyun-young School Nurse
Choi Jong-ryul Kwang-ho's Father
Ryu Seong-hie Production Design
Shim Sung-bo Photojournalist, Writer, Script Supervisor
Lee Seung-yeop Sound Editor
Taro Iwashiro Original Music Composer, Conductor, Orchestrator
Kwon Hyeok-pung Investigator at So-hyun's Crime Scene
Son Jin-ho Fellow Detective
Jo Deok-jae Investigator at So-hyun's Crime Scene
Yoon Ga-hyun Shaman
Son Kang-gook Fellow Detective
Hwang Hyun-gyu Makeup & Hair
Oh Yong Cop (uncredited)
Yang Hong-sam Set Decoration
Lee Kang-san Lighting Director, Boiler Kim
Lee Yong-gi Colorist
Shin Un-seop Rapist
Woo Go-na Kim So-hyun
Park Tae-kyeong Fellow Detective
Jo Moon-ee Pharmacist
Tcha Sung-jai Producer
Lee Da-il Student
Lee In-gyu Sound Designer
Ha-kyeong Kim Lee Hyang-suk
Kim Chul-yong Production Manager
Seong Jeong-seon Park Hyeon-gyu's Landlord
Akiko Takakuwa Music Supervisor
Noh Jong-yun Producer
Jung Chang-hyun Martial Arts Choreographer
Kim Moo-ryoung Producer
Jay Choi Co-Executive Producer
Kim Yoo-seon Costume Design
Kim Gwang-rim Theatre Play
Shin Jae-ho Special Effects Makeup Artist
Kyung-bo Yeo Steadicam Operator
Woo Seung-mie Art Designer
Lee Ik-su Production Sound Mixer
Kim Byeong-gi Special Effects Supervisor
Lee Yong-jun Martial Arts Choreographer
Lee Kang-bok Executive Producer
Lee In-hui Cement factory worker
Chin Hee-moon Line Producer