Casts
Lee Sun-kyun
as Go Gun-su
Cho Jin-woong
as Park Chang-min
Jeong Man-sik
as Detective Choi
Shin Jung-keun
as Chief of Homicide
Shin Dong-mi
as Younger Sister
Heo Jung-eun
as Min-a
Kim Dong-young
as Detective Doh
Ju Seok-tae
as Detective
Park Bo-gum
as Officer Lee Jin-ho
Lee Ji-hoon
as Police Officer of Chemistry Storage
