협녀, 칼의 기억

Lee Byung-hun

Yu-baek / Duk-gi

Jeon Do-yeon

Sul-rang / Wol-so

김고은

Hong-yi / Sul-hee

배수빈

Poong-chun

성유빈

Gam-cho

이준호

Yull

이경영

Teacher

김태우

Jon-bok

Kim Su-an

Gu-seul

Kim Young-min

King

Guzal Tursunova

Ju-gil

문성근

Lee Eui-myeong

Kim Won-jin

Fighter

장동

Lee Seong-woo

Yu-baek's bodyguard

신삼봉

Fifth Ranked Officer of Royal Security Forces