Dam Yi / Lee Hwi / Yeon Seon (20 episodes, 2021)
Jung Ji Woon / Jung Ji-Un (20 episodes, 2021)
Lee Hyun (20 episodes, 2021)
Kim Ga On (20 episodes, 2021)
Shin So Eun (20 episodes, 2021)
Noh Ha Kyung (20 episodes, 2021)
Dam-i (20 episodes, 2021)
Chun-Saeng (20 episodes, 2021)
Kim Sang Gung [Court Lady] (20 episodes, 2021)
Courtmaid / Various (20 episodes, 2021)
Bang Jil Geum (20 episodes, 2021)
Bang Young Ji (20 episodes, 2021)
Eunuch Hong Bok Dong (19 episodes, 2021)
Jung Seok Jo [Ji Woon's father] (19 episodes, 2021)
Dam Yi / Lee Hwi / Yeon Seon (19 episodes, 2021)
Prince Won San [Hyun's older brother] (19 episodes, 2021)
Prince Jehyeon [Lee Hwi's Half brother] (18 episodes, 2021)
Noh Ha Kyung (16 episodes, 2021)
King Hyejong (15 episodes, 2021)
Prince Chang Woon [Lee Hwi's uncle] (15 episodes, 2021)
Yeong-Ji / Young I-Wol (13 episodes, 2021)
Mun-Su (12 episodes, 2021)
young Jung Ji Woon (9 episodes, 2021)
Various (7 episodes, 2021)
Crown Princess Consort Han (6 episodes, 2021)
Prince Jehyeon (5 episodes, 2021)
Jan-I (5 episodes, 2021)
Queen Jang Sun [Han clan] (3 episodes, 2021)
Hong Bok Dong (3 episodes, 2021)
Ik Sun / Kang Hwa-Gil (Ik-Sun) (3 episodes, 2021)
The Queen Dowager (2 episodes, 2021)
King [Lee Hwi's grandfather] (2 episodes, 2021)
Prison Official (2 episodes, 2021)
Queen [Lee Hwi's stepmother] (2 episodes, 2021)
Royal tutor (1 episode, 2021)
Queen Sohun (1 episode, 2021)
Grand Queen Dowager [Lee Hwi's grandmother] (1 episode, 2021)
Madam Kim (1 episode, 2021)
Madam Kim [Ji Woon's mother] (1 episode, 2021)
Yang Moon Soo [Teacher of Lee Hwi] (1 episode, 2021)
Han Ki Jae [Left State Councilor] (1 episode, 2021)
Royal police (1 episode, 2021)
Byulgam Gu / Koo Byul Gam (1 episode, 2021)
Choi Man Dal (1 episode, 2021)
Royal physician (1 episode, 2021)
Park Beom Doo / Park Beom-Du (1 episode, 2021)
Court Maid Yu-Gong / Yu Gong [Court maid] (1 episode, 2021)