Hwang Jung-min as Jun-oh

Kang Shin-il as Chung-bae

Yu Seon as Yi-hwa

Yoo Seung-mok as Ma Yong-Sik

Kim Seo-hyung as Jang Mi-na

Kim Jung-pal as Section Chief Nam

Jeong In-gi as Detective Oh

Lee Kyung-Hoon as Detective Kim

Lee Joo-sil as Vice Principal

Son Ho-seung as Scarred Man

Kim Do-yoon as Nylon Patient

Hwang Choon-ha as Nylon Patient

Son Byeong-uk as Nylon Patient (uncredited)

Mun Ka-young as Chul Yun