유아인

Crown Prince Sado

송강호

King Yeongjo

이효제

Young Jeongjo

소지섭

Adult King Jeongjo

문근영

Lady Hye Gyeong-gung

전혜진

Royal Consort Yeong-bin

김해숙

Queen In-won

박원상

Hong Bong-han

진지희

Princess Hwa-wan

서예지

Queen Jung-soon

박소담

Lady Moon

엄지성

Young Sado

신수연

Young Hye Gyeong-gung

Kim Min-gyu

Kim Gwi-joo (uncredited)

정해균

Blind Shaman

손우혁

Hong Nak-in