Ha Sung-kwang

as Lee Jung-sub (12 episodes)

as An Hyeon Muk (4 episodes)

as Jin Byung-Man (12 episodes)

as [Soo Ryeon's father] (1 episode)

as Seo Young Joon (12 episodes)

as Hoe Do (16 episodes)

as Sa-ik

as Chief eunuch (1 episode)

as Moo Nam-hae (24 episodes)

as Chae Eul Ji (1 episode)

as Choi Bong-soo

as Cha Man-seok (16 episodes)

as Go Chang Soo [Se Yeon's father] (16 episodes)

as So-ji

as Ja Dong [Lee Geum’s valet] (48 episodes)

as Lee Min Sung

as Kim Hyun Seok [2018 - serial killer] (1 episode)

as Kim Myeong-han (4 episodes)

as Mr. Ha

as Ansan Dark Knight

as Mr. Kim [Broker]

as Senior

as Detective Park

as Crown Prince Hyoryeong (158 episodes)