Jo Deok-jae

as Investigator at So-hyun's Crime Scene

as Detective Kang

as Detective Choi

as Kim Suk-hwan

as Choon-bae

as Hyun-cheol

as Choi Jin-ho

as Detective Choi

as Yeo Sang-goo

as Choi Yong-gil

as R

as Ma Sang-yeol

as Father

as Cho-hee's Father

as Director of Students

as Gang Leader Lee (uncredited)

as Dong-pil's Father

as Police Officer Seo

as Detective Kang

as Inspector 1

as Chang-yi's Gang

as Detective Choi

as Detective 1

as Uncle

as Small Seafood Restaurant Owner

as Detective

as Major Jo

as Investigator at So-hyun's Crime Scene

as Pub Owner

as Sandwich Eater