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문근영 as Seo Bo-eun |
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Kim Rae-won as Park Sang-min |
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김보경 as Ji-su |
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안선영 as Teacher Kim |
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김인문 as Bo-eun's Grandfather |
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송기윤 as Bo-eun's Father |
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한진희 as Sang-min's Father |
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선우은숙 as Bo-eun's Mother |
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김혜옥 as Sang-min's Mother |
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박진우 as Jeong-woo |
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Shin Sae-kyeong as Hye-won |
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류덕환 as Dong-goo |
| Directing | Kim Ho-joon | Director |
| Production | Park Doh-joon | Executive Producer |
| Production | Yoo Soon-il | Producer |
| Crew | Yun Seo-jin | Special Effects |
| Production | Woo Su-in | Production Assistant |
| Production | Yoon Do-hwan | Production Designer |
| Production | Park Son-kyung | Production Assistant |
| Sound | Kim Young-ju | Sound Designer |
| Production | Kim Jin-hwan | Production Assistant |
| Sound | Lee Seong-Jin | Sound |
| Sound | Kim Wan-dong | Production Sound Mixer |
| Sound | Lee Soon-sung | Boom Operator |
| Editing | 박순덕 | Editor |
| Visual Effects | 장성호 | Visual Effects Supervisor |
| Writing | Yoo Sun-il | Writer |
| Production | 신영일 | Line Producer |
| Sound | 최순식 | Original Music Composer |
| Production | 최순식 | Producer |
