It airs on MBC on Mondays and Tuesdays at 21:55 for 50 episodes beginning October 28, 2013.
The early working title was Hwatu (화투/Battle of Flowers) but the title was changed to prevent confusion with the similarly named playing cards.
Ha Ji-won – Ki Seung-nyang, later Empress Gi
Joo Jin-mo – Wang Yoo (fictional character based on King Chunghye of Goryeo)
Ji Chang-wook – Ta Hwan, later Emperor Huizong