Park Joong-hoon
Hwang Jae-sung
Lee Sun-kyun
Jeong Eui-chan
Lee Sung-min
Detective Jo
Kim Jung-tae
Detective Song
Ko Joo-yeon
Soo-yeon
Han Soo-yeon
Hyun-sook
Kang Ki-hwa
Hye-jin
Jeong Do-won
Detective Shin
Ahn Yong-jun
Detective Kim
Im Won-hee
Ph.D Ko
Lee Han-wi
Lee Yong-kab
Sung Yeol-seok
Metropolitan Detective
Lee Seung-cheol
Hyun-sook's father
Kim So-jin
Mapo Detective
