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이수현 as Lee So-ri (voice) |
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김민주 as Park Dong-soon (voice) |
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민승우 as Jung Ho-yeon (voice) |
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남도형 as Ahn Seung-kyu (voice) |
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김연우 as Kim Ji-min (voice) |
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Lee Mi-na as Kim Sunny / Lee Su-kyung (voice) |
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Kim Chae-rin as Cho Ho-ran (voice) |
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Kim Yea-lim as Yang Song-hee (voice) |
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김아롱 as Young Lee So-ri (voice) |
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이세레나 as Young Jung Ho-yeon (voice) |
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Park Ki-wook as Lee So-ri's Father (voice) |
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Kim Soon-mi as Doctor (voice) |
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김현욱 as Jersey (voice) |
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Won Jong-jun as Mask (voice) |
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Choi Hyun-sik as Bully from Hanwol Middle School (voice) |
| Directing | 김용환 | Director |
| Writing | 조현아 | Comic Book |
| Sound | 이수현 | Theme Song Performance |
| Writing | 정은경 | Writer |
| Sound | 김태성 | Original Music Composer |
| Production | 김종열 | Executive Producer |
| Directing | 오민교 | Assistant Director |
| Writing | 김용환 | Adaptation |
| Writing | Cho A-ra | Adaptation |
| Writing | Park Noo-ri | Adaptation |
| Camera | Oh Ju-yeon | Director of Photography |
| Editing | 오민교 | Editor |
| Production | 최준 | Producer |
| Production | 권미경 | Producer |
| Sound | Kim Yeon-jeong | Original Music Composer |
| Sound | 김석원 | Sound Supervisor |
| Production | 이하림 | Producer |
