Characters played by Jae-yeong Jeong
Sang-hyun
Characters played by Lee Sung-min
Detective Eok-Gwan
Characters played by Jun-Yeong Seo
Detective
Characters played by Kim Hyeon-I
[no data]
Characters played by Kim Hyeon-Ok
Cheol-Yong's Mother
Characters played by Myeong-gap Jang
Identification section
Characters played by Oh Jeong-Se
Radio voice
Characters played by Yoon Jong-In
Seoul detective
Characters played by Dae-Myung Kim
[no data]