사도

유아인

Crown Prince Sado

Song Kang-ho

King Yeongjo

문근영

Lady Hye Gyeong-gung

전혜진

Royal Consort Yeong-bin

Kim Hae-sook

Queen In-won

박원상

Hong Bong-han

Lee Hyo-je

Young Jeongjo

이대연

Kim Sang-ro

강성해

Kim Han-goo

최덕문

Hong In-han

정석용

Eunuch Hong

최민철

Chae Je-gong

진지희

Princess Hwa-wan

Park Myung-shin

Queen Jung-sung

서예지

Queen Jung-soon

박소담

Lady Moon

소지섭

Adult King Jeongjo

조승연

Lee Chun-bo