The Throne

Yoo Ah-in

Crown Prince Sado

Song Kang-ho

King Yeongjo

Lee Hyo-je

Young Jeongjo

So Ji-sub

Adult King Jeongjo

Moon Geun-young

Lady Hye Gyeong-gung

Jeon Hye-jin

Royal Consort Yeong-bin

Kim Hae-sook

Queen In-won

Park Won-sang

Hong Bong-han

Jin Ji-hee

Princess Hwa-wan

Seo Yea-ji

Queen Jung-soon

Park So-dam

Lady Moon

Lee Kwang-il

Min Baek-sang

Uhm Ji-sung

Young Sado

Shin Soo-yeon

Young Hye Gyeong-gung

Kim Min-gyu

Kim Gwi-joo (uncredited)