Kim Jong-tae

Lee Sang-jae

Kang Woo-cheol

Royal Investigation Officer

Kim Han-su

Seo Min-cheol

Jong-Moon

Kim Hyun-tak

Im Hyeok-soo

King Injo

Han Su Bu

Director Choi

Jin Seon-mu

Hyung-joo's stepfather

Kang Pil-ho

Quang

Kang Pil-ho

Gang Dong-ki

이성근

Yoon PD

Min-jae's Father

President Jo Gyeong-sik

Professor Oh

Hyeong-Joo's stepfather

Elder