as Gu Bon-jin

as Joo Seong Tae

as Manager Park

as Jong-sung

as So Young-taek

as Detective Shin

as professor

as Movie Director

as Ddaeng-joong

as Tweetie's husband

as Hyuk-kwon

as Beom-seok

as Himself

as Kim Sung-ho

as Jeong-heon

as Young-rok

as Police Sergeant Seo

as Jung-su

as Lieutenant Colonel Choi

as Detective Yang

as Gang-jae

as Government Official

as Jung Byung-jin

as Gye Bong-sik

as Min-ho

as Reporter Choi

as Yeon-soo's lover

as Kim Tae-wook

as Section Leader Jo

as Go Kyung-nam

as Ki-hong

as Gay Club Man

as Young-soo / Jong-dae's father

as Fellow Detective

as Gang Leader

as President Hwang

as Hyuk-kwon

as Kim Guju

as Writer