Jung Seung-kil

as Detective Park / Male voice (uncredited)

as Tae-mok

as Son Beom-soo

as Jin-wook

as Madame

as Seung-kil

as Police

as Bo-hee's Father

as Police Officer

as Seung-kil

as Bradley Hong

as Chief Im's underling

as Kim Tae-won

as Brain Tumor Patient's Son

as [Book critic]

as Choi Tae-gwan

as Ha Dong-seok

as Baek Jung-gi

as Self

as Han-do Dad

as Seong In-jong

as Hong Cheon-su

as Yoo Tae-man

as Nam-woo