Episode 4 S01 E04

Kim Tae-hee (as Jang Ok-jung) Yoo Ah-in (as King Sukjong) Hong Soo-hyun (as Queen Inhyeon) Jae Hee (as Hyun Chi-soo) Lee Sang-yeob (as Prince Dongpyeong) Han Seung-yeon (as Choi Suk-bin) Sung Dong-il (as Jang Hyun) Kim Sun-kyung (as Queen Myeongseong) Kim Ha-eun (as Queen Ingyeong) Ra Mi-ran (as Jo Sa-seok's wife) Yun Yoo-sun (as Lady Kang) Chae Sang-woo (as Lee Soon (young)) Baek Seung-hwan (as Hyun Chi-soo (young)) Kwak Dong-yeon (as young Lee Hoon) Kim Se-in (as Jung Hon-ja) You Sa-Ra (as Sol-bi)

palace politics harem rivalry royalty tragedy period drama historical joseon dynasty (1392–1910) childbirth