Lee Byung-hun

Yu-baek / Duk-gi

Jeon Do-yeon

Sul-rang / Wol-so

Kim Go-eun

Hong-yi / Sul-hee

Bae Soo-bin

Poong-chun

Sung Yoo-bin

Gam-cho

JUNHO

Yull

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