| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Kyu-tae | Crew | Directing | Director | 20 |
 Taeyeon | Crew | Sound | Theme Song Performance | 20 |
 Baekhyun | Crew | Sound | Theme Song Performance | 20 |
 Tong Hua | Crew | Writing | Novel, Creator | 20 |
 Xiumin | Crew | Sound | Theme Song Performance | 20 |
 Chen | Crew | Sound | Theme Song Performance | 20 |
 Kang Min-kyung | Crew | Sound | Theme Song Performance | 20 |
 Cho Yoon-young | Crew | Writing | Screenplay | 20 |
 Lee Hae-ri | Crew | Sound | Theme Song Performance | 20 |
 Park Jeong-hak | Cast | Actor | Wang Shikryeom | 20 |
 Jo Min-ki | Cast | Actor | King Taejo | 20 |
 Sung Dong-il | Cast | Actor | General Park Soogyeong | 20 |
 Woo Hee-jin | Cast | Actress | Court Lady Oh Sooyeon | 20 |
 Hong Jong-hyun | Cast | Actor | Wang Yo (3rd Prince) | 20 |
 Lee Joon-gi | Cast | Actor | Wang So (4th Prince) | 20 |
 Kim San-ho | Cast | Actor | Wang Mu (Crown Prince / 1st Prince) | 20 |
 Park Si-eun | Cast | Actress | Lady Hae Myeong | 20 |
 Jung Kyung-soon | Cast | Actress | Queen Hwangbo / Queen Shinjeong | 20 |
 Seohyun | Cast | Actress | Princess Woohee | 20 |
 IU | Cast | Actress | Go Hajin / Lady Hae Soo | 20 |
 Kim Sung-kyun | Cast | Actor | Choi Jimong / Homeless Man | 20 |
Baekhyun | Cast | Actor | Wang Eun (10th Prince) | 20 |
 Lee Chae-mi | Cast | Actress | Wang Mu's daughter | 1 |
 Kang Ha-neul | Cast | Actor | Wang Wook (8th Prince) | 20 |
 Kang Han-na | Cast | Actress | Princess Hwangbo Yeonhwa / Queen Daemok | 20 |
 Z.Hera | Cast | Actress | Park Soondeok | 20 |
 Nam Joo-hyuk | Cast | Actor | Wang Baeka (13th Prince) | 20 |
 Jin Ki-joo | Cast | Actress | Chaeryeong | 20 |
 Yoon Sun-woo | Cast | Actor | Wang Won (9th Prince) | 20 |
 Choi Byung-mo | Cast | Actor | Park Younggyu | 20 |
 Kim Ji-soo | Cast | Actor | Wang Jeong (14th Prince) | 20 |
 Park Ji-young | Cast | Actress | Queen Yoo / Queen Shinmyeong | 20 |
 Kim Kang-il | Cast | Actor | Shincheon Kang | 20 |
 Lee Ho-jung | Cast | Actress | Aera | 20 |
 Byeon Woo-seok | Cast | Actor | Go Ha-Jin's boyfriend | 1 |
 Seo Eun-sol | Cast | Actress | So & Soo's daughter | 1 |
 Jang Hae-min | Cast | Actress | Soo's friend | 1 |
| Person | Type | Job | Role(s) | Episodes |
