Lee Kyung-young
Teacher

Kim Tae-woo
Jon-bok

Kim Su-an
Gu-seul

Kim Young-min
King
Guzal Tursunova
Ju-gil

Moon Sung-keun
Lee Eui-myeong
Kim Won-jin
Fighter

Zhang Dong

Lee Sung-woo
Yu-baek's bodyguard
Sin Sam-bong
Fifth Ranked Officer of Royal Security Forces