| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Tae-seong | Crew | Sound | Original Music Composer | 12 |
 Lee Jung-heum | Crew | Directing | Director | 12 |
Seong Choy | Crew | Writing | Writer, Creator | 12 |
 Kim Ki-cheon | Cast | Actor | Gardener | 2 |
 Jeong Seok-yong | Cast | Actor | Mr. Kim | 11 |
 Kim Soo-ro | Cast | Actor | Ko Dam | 4 |
 Lee Young-ae | Cast | Actress | Koo Kyung-yi | 12 |
 Park Ji-bin | Cast | Actor | Heo Hyeon-tae | 6 |
 Kim Hye-jun | Cast | Actress | Song Yi-kyung / "K" | 12 |
 Kim Hae-sook | Cast | Actress | Director Yong | 12 |
 Kwak Sun-young | Cast | Actress | Na Je-hui | 12 |
 Kim Kang-hyun | Cast | Actor | Kim Min-gyu | 5 |
 Choi Dae-chul | Cast | Actor | Heo Seong-tae | 6 |
 Park Ye-yeong | Cast | Actress | Yoon Jae-yeong | 4 |
 Cho Hyun-chul | Cast | Actor | Oh Gyeong-su | 12 |
Jung Jong-joon | Cast | Actor | Je-hui's father | 9 |
 Bae Hae-seon | Cast | Actress | Jung Jeong-yeon | 6 |
 Park Kang-seop | Cast | Actor | Lee Dae-ho | 8 |
 Lee Hong-nae | Cast | Actor | An Geon-uk | 12 |
 Choi Young-jun | Cast | Actor | Jang Seong-u | 6 |
 Baek Sung-chul | Cast | Actor | Santa | 12 |
 Park Ye-ni | Cast | Actress | Yi-kyung's mother | 1 |
| Person | Type | Job | Role(s) | Episodes |
