The Suspect

Gong Yoo

Ji Dong-chul

Park Hee-soon

Min Se-hoon

Cho Seong-ha

Kim Seok-ho

Yoo Da-in

Choi Kyung-hee

Kim Sung-kyun

Ri Gwang-jo

Nam Bo-ra

Ji Dong-chul's wife

Jo Jae-yun

Captain Jo

Kim Eui-sung

Shin

Ki Joo-bong

Coroner

Park Ji-il

Executive Director Song

Kim Min-jae

Reporter Joo

Won Jin

SA1

Song Jae-rim

SA2

Won Pung-yeon

Plain Clothes Unit

Choe Tae-hwan

Grotesque Man

Lee Dong-jin

North Wanderer

Lee Jae-hyeok

Hit Agent (uncredited)

Jung Yun-ha

Reporter (uncredited)

Yoo Seung-kwon

Hit Agent

Jo Yong-jae

Research Agent

Lee Chae-Yun

Park Hwi-soon's Daughter

Park Yeong-woong

Cop 1

Min Jeong-ki

Hit Agent