올빼미

류준열

Cheon Gyeong-su

유해진

King Injo

최무성

Lee Hyeong-ik

조성하

Lord Choi

박명훈

Man-sik

김성철

Crown Prince Sohyeon

안은진

Consort Jo

조윤서

Crown Princess Kang

이주원

Seok-cheol

김예은

Court Lady Seo

정석원

Captain of the guard

류성현

Senior physician

Kim Seung-tae

Vassal 1

Shin Mun-sung

Third Royal Secretary

안성봉

Envoy of Qing Dynasty

Moon Seung-bae

Vassal 2