Main •
Park Si-hoo as Choi Chun-joong / Choi Mu-myung, Joseon's best fortune teller • Kang Tae-woo as young Choi Chun-joong •
Ko Sung-hee as
Princess Lee Bong-ryun, King Cheoljong's daughter •
Hong Seung-hee as young Princess Lee Bong-ryun •
Jun Kwang-ryul as
Lee Ha-eung, Prince Heungsun, Gojong's father and an ambitious royal family •
Sung Hyuk as Chae In-kyoo, adopted son of Jangdong Kim clan and Chun-joong's friend •
Choi Jung-woo as young Chae In-kyu
Supporting Jangdong Kim clan •
Kim Seung-soo is Kim Byung-woon, Kim Jwa-geun's son and his power surpasses the King. • Cha Kwang-soo as
Kim Jwa-geun, Jangdong Kim clan's representative and head. •
Yoon A-jung as Lady Na-hap, Kim Jwa-geun's concubine. • Han Jae-young as Kim Byung-hak, The core force of the Jangdong Kim clan.
Royal Household • Kim Bo-yeon as
Dowager Queen Jo :The eldest member in the royal family household. He is the one who holds the key to the next succession to the throne after King Cheoljong's death. • Jung-Wook as
King Cheoljong, the 25th King of Joseon and Lee Bong-ryun's father. •
Eru as Lee Ha-jun, the most likely candidate for succession to the throne. •
Park Sang-hoon as
Lee Jae-hwang, Emperor Gojong, Lee Ha-eung's 2nd son and the first emperor of Joseon. •
Park Jung-yeon as
Min Ja-young, Empress Myeongseong :A woman with the fate to become a Queen Regnant (). With Chun-joong's help, she deceives Prince Heungsun and then becomes Jae-hwang's primary wife and the first Empress Consort of Joseon.
People in Baeogae • Jo Bok-rae as Yong Pal-ryong, Chun-joong's right-hand man and Baeogae's informant. •
Kim Joo-ryoung as Joo-Mo, Baeogae's mistress. • Han Dong-kyoo is the Equator's truth; the person wearing a red coat and disguised as a wig and beard, she was called the Equator. • Noh Hyung-wook as Paeng Goo-chul, Joo-Mo's little brother. ==Ratings==