Seorang ahli akupunktur buta, yang anehnya, mampu melihat secara normal di malam hari, dan kebetulan menyaksikan kematian putra mahkota.
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
김승태
Vassal 1
신문성
Third Royal Secretary
안성봉
Envoy of Qing Dynasty