Ji Jin-hee

Ji Sung-hee

Yang İk-jun

Hwang Dong-min

Lee Moon-sik

Yoo Kwak

김규리

Yoo Young-shim

Kim Yeo-jin

Shin Young-Shin

옥지영

Kim Yang-sook

Jeong Woo-hyuk

Detective Agency team leader

Lee Eung-jae

Older male cousin 2