Directed by
| Ki-hwan Oh | ||
Writing Credits (in alphabetical order)
| Jang-Hwan Jung | ||
| Kyung-ok Kang | ... | (comic book) |
| Hyo-Chul Lee | ... | (adaptation) |
| Shin-ae Lee | ... | (adaptation) |
| Ki-hwan Oh | ... | (screenplay) |
| Dong-Sun Shin | ... | (adaptation) |
Cast (in credits order)
| Yoon Jin-seo | ... | Kim Ga-in | |
| Park Gi-woong | ... | Hong Seok-min | |
| Lee Ki-woo | ... | Park Hyeon-joong | |
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Yu-seon Ham | ... | Sang-kyung |
| Kim So-eun | ... | Ga-yun Kim | |
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Kim Jin-geun | ... | Hwang Dae-yong |
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Jeong Yu-mi | ... | Myung-hee |
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Lee Kan-hee | ... | Eun-kyung |
| Seo Yu-jeong | ... | Jung-sun | |
| Rest of cast listed alphabetically: | |||
| Jeon Gook-hwan | ... | Ji-sun's Father | |
| Jeong In-gi | ... | Detective Jo | |
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Yeon Je-wook | ... | Choi Sang-kyung |
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Baek Joo-Hee | ... | Hyun-Joong's mother |
| Lee Kyoung-young | ... | Ga-in's Father | |
| Ahn Nae-sang | ... | Ga-in's home room teacher | |
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Park Shin-woo | ... | Ending student (as Park Shin-Woo) |
| Oh Yeon-Seo | ... | Jeong Eun-kyeong | |
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Seo Yun-jae | ... | Kim In-sook |
Produced by
| Moo-Ryoung Kim | ... | producer |
Music by
| Kim Jun-seok | ||
Cinematography by
| Yong-heung Kim | ||
Editing by
| Sun-Min Kim | ||
Second Unit Director or Assistant Director
| Jang-Hwan Jung | ... | assistant director |
Art Department
| Sung-hae Moon | ... | props |
| Sung-sun Shin | ... | props |
Sound Department
| Seung-yeop Lee | ... | sound editor |
Additional Crew
| Shelley Marie Brown | ... | promotions |