김민준
— Detective Kim
서영
— Oh Soon-ae
Son Jong-hak
— Chief of Criminal Investigation
임성언
— Sul Soo-jin
Kim Hae-sook
— Forensic Doctor
Lee Jun-hyeok
— Choi Joong-ki
공정환
— Lee Ki-wook
Lee Tae-geom
— Kang Jeong-woo
정세형
— Go Jin-soo
Kim Su-ji
— Seol Yeon-hee
Yu Seung-ok
— Health Time MC
Lim Song-i
— Club Girl 1