Sound
as The Assassin / Detective Kang
as Jae-in
as Choi Kang-hu
as Taekdong
as Father Kim
as Seong-joon
as Sin Se-do
as Lee Yeon-woo
as Gam Poong-Ki
as Koo Hyun-mo
as Won-ho
as Lee Jin Sang
as Eun Kyung-Soo
as Hee-Soo
as Mo Hwi-Chul
as Mo Hwi Cheol
