Yoo Yeon-soo

Master

Chief Han

Incoherence

Professor Kim

Happy End

Mustache Detective

Peppermint Candy

Detective Lee

A Great Chinese Restaurant

Knife

The Host

District officer Mr. Jo (uncredited)

Three Friends

Abusive Teacher

The Ring Virus

Dr. Oh

Black Knight

[Defense Minister of Korea]

One on One

Jin Ho-seong

The Negotiation

Chief Moon of National Police Agency

Whispering Corridors

P.E. Teacher

Hit-and-Run Squad

The Prefect of Police

Dead Man

Yoon Sung-soo

Sword In The Moon

Officer Seo

The Taebaek Mountains

Driving with My Wife's Lover

Karaoke Manager