Characters played by Kim Yoon-seok
Gil-yong
Characters played by Hae-Jin Yoo
Joong-san
Characters played by Jeong Ho-bin
Seo Jung-hak
Characters played by Lee Ho-Cheol
Bae Cheol-Ho
Characters played by Bong-sik Hyun
Junior detective
Characters played by Ji-Geon Jang
Detective Jo
Characters played by Myeong-gap Jang
Chief Yoo
Characters played by Sun-mi Jin
Joong-san's wife
Characters played by Lee Joon-hyuk
Mae Seok-hwan
Characters played by Tae-Hoon Kim
Central district detective #5
Characters played by Ho-Chul Lee
Bae Cheol-ho
Characters played by Yoon-Hee Lee
Criminal investigation chief
Characters played by Moon-cheol Nam
Chief Police Commissioner
Characters played by Jin-Ha Yoon
Driver Cheon
Characters played by Song Young-Chang
Eun-joo's father
Characters played by Joo Young-ho
Seoul Detective #2
Characters played by Jang Young-Nam
Eun-joo's aunt