Jo Deok-jae

Investigator at So-hyun's Crime Scene

Detective Kang

Jo Duk-Je

Detective Choi

Chang-yi's Gang

Inspector 1

Police Officer Seo

Detective Choi

Police Officer

Yeo Sang-goo

Dong-pil's Father

Director of Students

Thug

Hyun-cheol

Detective

Ma Sang-yeol

Major Jo

Detective 1

Gang Leader Lee (uncredited)

Pub Owner

Cho-hee's Father

Choi Jin-ho

Small Seafood Restaurant Owner

Uncle