| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Jang Young-gyu | Crew | Sound | Original Music Composer | 7 |
 Ryu Seong-hie | Crew | Art | Production Design | 7 |
 Son Sang-bum | Crew | Production | Executive Producer | 7 |
 Choi Se-yeon | Crew | Costume & Make-Up | Costume Design | 7 |
Kim Yong-hoon | Crew | Directing | Director, Executive Producer, Writer, Creator | 7 |
 Song Jong-hee | Crew | Costume & Make-Up | Special Effects Makeup Artist | 7 |
Seong So-won | Crew | Costume & Make-Up | Makeup & Hair | 7 |
You Cheong | Crew | Art | Props | 7 |
Jin Il-kyu | Crew | Production | Producer | 7 |
Pi Dae-seong | Crew | Costume & Make-Up | Special Effects Makeup Artist | 7 |
Park Kyung-soo | Crew | Visual Effects | Special Effects Supervisor | 7 |
Kim Byung-in | Crew | Sound | Sound Supervisor | 7 |
Jung Il-seo | Crew | Camera | Key Grip | 7 |
Choi Jong-ha | Crew | Lighting | Lighting Director | 7 |
Park Jun-yong | Crew | Art | Props | 7 |
 Lee Gun-moon | Crew | Crew | Martial Arts Choreographer | 7 |
 Park Jin-young | Crew | Editing | Digital Intermediate | 7 |
Ryu Geon-hui | Crew | Visual Effects | Visual Effects | 7 |
Lee Sang-jun | Crew | Sound | Production Sound Mixer | 7 |
Kim Young-hoon | Crew | Creator | Creator | |
Yang Il-seok | Crew | Visual Effects | Visual Effects | 7 |
 Ahn Jae-hong | Cast | Actor | Ju Oh-nam | 7 |
 Moon Sook | Cast | Actress | Sim Young-hee (Mo-mi's mother) | 7 |
 Ko Hyun-jung | Cast | Actress | Kim Mo-mi | 7 |
 Jung Young-ki | Cast | Actor | Manager Oh | 2 |
