비밀의 문

이제훈

Crown Prince Sado

Kim You-jung

Seo Ji-dam

윤소희

Seo Ji-dam / Park Bingae

한석규

King Yeongjo

박은빈

Lady Hyegyeong

김민종

Na Chul-joo

이원종

Park Mun-su

Kwon Hae-hyo

Seo Kyoon

Jeon Kuk-hwan

Lee Jong-sung

Jang Hyun-sung

Hong Gye-hui

엄효섭

Min Baek-sang

김하균

Kim Sang-ro

최원영

Chae Je-gong

서준영

Shin Heung-bok

하승리

Queen Jeongsun

박효주

Woon-shim