Yoo Yeon-soo

as District officer Mr. Jo (uncredited)

as The Prefect of Police

as Detective Lee

as Chief Moon of National Police Agency

as Jin Ho-seong

as Chief Han

as Mustache Detective

as Yoon Sung-soo

as P.E. Teacher

as Professor Kim

Cast

as Dr. Oh

as Officer Seo

as Karaoke Manager

as Abusive Teacher

as Knife