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Seol Si-yeon as Si-yeon |
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배연우 as Yeon-woo |
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Park So-jung as So-jung |
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Han Song-hee as Song-hee |
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강석원 as Teacher Suk-won |
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기진우 as Teacher Do-yul |
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Kim Bo-ye as Teacher in the School Office |
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Kim Na-kyeong as Hapkido Master |
| Writing | 서한솔 | Writer |
| Writing | Kwon Min-pyo | Writer |
| Editing | 서한솔 | Editor |
| Editing | Kwon Min-pyo | Editor |
| Camera | Park Jae-man | Director of Photography |
| Directing | 서한솔 | Director |
| Directing | Kwon Min-pyo | Director |
| Production | 박봉수 | Producer |
