| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Joo Hwa-mi | Crew | Writing | Screenplay | 24 |
 Shin Ye-eun | Crew | Sound | Vocals | 24 |
 최낙타 | Crew | Sound | Vocals | 24 |
 Park Kyung | Crew | Sound | Vocals | 24 |
 Umji | Crew | Sound | Vocals | 24 |
 Dayoung | Crew | Sound | Vocals | 24 |
 Exy | Crew | Sound | Vocals | 24 |
Ji Byung-hyun | Crew | Directing | Director | 24 |
 Motte | Crew | Sound | Vocals | 24 |
 JinSoul | Crew | Sound | Vocals | 24 |
 Drew Ryan Scott | Crew | Sound | Vocals | 24 |
 Kang Yu-Chan | Crew | Sound | Vocals | 24 |
 Ahn Nae-sang | Cast | Actor | Kim Soo Pyung [Kim Sol Ah's father] | 24 |
 Kim Yeo-jin | Cast | Actress | Sung Hyun Ja [Ko Doo Shik's mother] | 24 |
 Lee Joo-sil | Cast | Actress | Grandmother | 1 |
 Jeon Bae-soo | Cast | Actor | Ko Min Jong [Ko Doo Shik's father] | 24 |
 L | Cast | Actor | Hong Jo | 24 |
 Yoon Ye-joo | Cast | Actress | Eun Ji-eun | 24 |
 Seo Ji-hoon | Cast | Actor | Lee Jae-seon | 24 |
 Yeon Je-hyung | Cast | Actor | Bang Gook Bong [Sol Ah's step-brother] | 24 |
 Han Gi-joong | Cast | Actor | Lee Jae Sun's foster father | 1 |
 Chae Dong-hyeon | Cast | Actor | Cat caregiver | 6 |
Shin Ye-eun | Cast | Actress | Kim Sol-ah | 24 |
 Song Min-jae | Cast | Actor | Dae Sung [street food vendor's grandson] | 24 |
 Lee Dong-hee | Cast | Actor | Car repair shop owner | 1 |
 Choi Bae-young | Cast | Actress | Lee Roo Bi [Lee Jae Sun's ex-girlfriend] | 24 |
 Jeon Ik-ryoung | Cast | Actress | Park Shin Ja [Vice President Nalsaem Design] | 24 |
 Kang Hoon | Cast | Actor | Ko Doo-sik | 24 |
 Yang Dae-hyeok | Cast | Actor | Cha Sang Kwon [designer Nalsaem Design] | 24 |
 Choi Min-geum | Cast | Actress | Dae Sung's grandmother [street food vendor] | 24 |
 Cho Ryun | Cast | Actress | Bang Sil [Kim Sol Ah's step mother] | 24 |
 Cho Hyuk-jun | Cast | Actor | Na Jin Won [veterinarian] | 24 |
 Uhm Tae-ok | Cast | Actor | Security guard | 1 |
| Person | Type | Job | Role(s) | Episodes |
