Jung Woo-sung

as Han Do-kyung

Hwang Jung-min

as Park Sung-bae

Ju Ji-hoon

as Moon Sun-mo

Kwak Do-won

as Kim Cha-in

Jeong Man-sik

as Do Chang-hak

Kim Won-hae

as Akeo / Alligator

Kim Jong-soo

as Eun Choong-ho

Kim Hae-gon

as Tae Byung-jo

Yoon Ji-hye

as Cha Seung-mi

Oh Yeon-ah

as Jung Yoon-hee

Choi Byung-mo

as Prosecutor Oh

Yoo Jeong-ho

as Detective Yoo

Park Hyeok-min

as Park Soo-suk

Hyun Bong-sik

as Detective Kang

Mi-nam Jeong

as Ggan-cha

Cho Joon

as Park Deuk-ryong

Jung Hyung-suk

as Detective Song

Park Yu-mil

as Nurse Shin

Jeong Dong-gyoo

as Deputy Mayor

Kim Soo-jin

as City Counciler

Kim Hyun-bin

as Chief Hwang's Son

Park Jeong-hak

as Inspector Park

Yoon Je-moon

as Chief Hwang

Yoon Dae-yeul

as Lee Byung-cheon

Lee Ga-kyung

as Police

Yum Dong-hun

as City Council Member

Hwang Byeong-gug

as Detective Guk

Choi Seong-won

as Doctor-in-charge

Park Jeong-hak

as Inspector General Park

Anupam Tripathi

as Indian Worker

Mahbub Alam

as Bangladeshi Worker

Cha Rae-hyung

as Doctor in Charge (voice)

Geum Gwang-san

as Kwang San from Tae Byung-jo's Entourage

Park Ji-hwan

as Byung-jo's Entourage Sunglasses Man

Lee Sang-min

as Sung-min

Seo Myung-chan

as Chief Investigator

Lim Yong-soon

as Politician on Consenting Party Side

Choe Won-kyung

as Lee Min-seob

Joo Ye-bin

as High School Girl