Moon Embracing the Sun

Han Ga-in as Lady Heo Yeon-woo / Shaman Wol

Kim Yoo-jung as 13-year-old Lady Heo Yeon-woo

Kim Soo-hyun as Lee Hwon, King of Joseon

Yeo Jin-goo as 15-year-old Lee Hwon, Crown Prince of Joseon

Jung Il-woo as Prince Yangmyung, Lee Hwon's half-brother

Lee Tae-ri as young Prince Yangmyung

Kim Min-seo as Lady Yoon Bo-kyung / Queen Yoon

Kim So-hyun as young Lady Yoon Bo-kyung

Sunwoo Jae-duk as Lord Heo Young-jae, Yeon-woo and Yeom's father

Yang Mi-kyung as Madam Shin Jung-kyung, Yeon-woo and Yeom's mother

Song Jae-hee as Lord Heo Yeom, Yeon-woo's older brother and Hwon's tutor

Im Si-wan as 17-year-old Young Master Heo Yeom

Yoon Seung-ah as Seol, Yeon-woo's personal servant

Seo Ji-hee as young Seol

Kim Young-ae as the Grand Royal Queen Dowager, Mother of King Seongjo and grandmother of Lee Hwon

Ahn Nae-sang as King Seongjo, Father of Lee Hwon, Prince Yangmyung and Princess Minhwa. Kim Sun-kyung as Queen Sohye, later the Queen Dowager, Mother of Lee Hwon

Kim Ye-ryeong as Royal Noble Consort Hui of the Miryang Park clan, Mother of Yangmyung, King Seongjo's concubine

Nam Bo-ra as Princess Minhwa

Jin Ji-hee as young Princess Minhwa, Lee Hwon's younger sister

Song Jae-rim as Lord Kim Jae-woon

Lee Won-keun as 15-year-old Young Master Kim Jae-woon

Jung Eun-pyo as Hyung-sun, Chief Eunuch

Kim Min-kyung as Court Lady Min, lady-in-waiting to Princess Minhwa.

Chu Gwi-jung as Court Lady Jo, Queen Yoon's lady-in-waiting since entering the palace as Crown Princess

Jeon Mi-seon as Jang Nok-young

Kim Ik-tae as Hye Gak

Bae Noo-ri as Jan-shil

Jo Min-ah as young Jan-shil

Jang Young-nam as A-ri

Kim Eung-soo as Lord Yoon Dae-hyung, Prime Minister, Bo-kyung's father and the leader of the Yoon clan

Jang Hee-soo as Madam Kim, Wife of Prime Minister Yoon and Bo-kyung's mother

Seo Hyun-chul as Lord Shim San, Deputy Minister of Personnel

Lee Seung-hyung as Lord Han Jae-gil, Mayor, later became Minister of Defense

Kim Seung-wook as Lord Yoon Soo-chan, Minister of Taxation, promoted to Minister of Personnel

Yoon Hee-seok as Lord Hong Gyu-tae, former president of the student body at Sungkyunkwan, who became a secret investigator for the Uigeumbu (Court of Justice)