Directed by
| Heo In-moo | ... | (as In-moo Heo) |
Writing Credits (in alphabetical order)
| Heo In-moo | ... | (screenplay) (as In-mu Heo) |
| Kim Min-seo | ... | (novel) (as Min-Seo Kim) |
Cast (in credits order)
| Yoon Eun-hye | ... | Yoo-min | |
| Park Han-byeol | ... | Hye-ji | |
| Cha Ye-ryun | ... | Soo-jin | |
| Yoo In-na | ... | Min-hee | |
| Rest of cast listed alphabetically: | |||
 |
Park Chul-hyun | ... | Yoo Min's junior (as Cheol-Hyeon Park) |
| Go Gyu-pil | ... | Yoo-sin | |
|
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Won Jong-rye | ... | Min-hee's mother |
|
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Arin Lee | ... | Psychiatric ward patient |
| Yong Woo Lee | ... | Seok-won | |
|
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Lee Mi-do | ... | Pre-college girl |
|
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Lee Na-kyung | ... | Female Alumnus 1 |
| Jeon Soo-kyeong | ... | Chief writer | |
|
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Paul Stafford | ... | Foreign English Teacher |
|
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Choi Yoon-young | ... | Young-mi |
Produced by
| Joon-hwan Choi | ... | executive producer |
| Joo-Hyun Lee | ... | development executive |
Cinematography by
| Hong-shik Yoon | ||
