Directed by
| Kim Jin Young | ||
Writing Credits (in alphabetical order)
| Sim-seong Park | ||
Cast (in credits order)
| Park Ha-seon | ... | Dong-joo | |
| Yoon Sang-Hyun | ... | Shin-hong | |
| Rest of cast listed alphabetically: | |||
| Kim Byeong-Ok | ... | Animation Director | |
| Park Chul-min | ... | Dr. Mok | |
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Baek Chung-kang | ... | Kang Hyun-woo (as Chung-Kang Baek) |
| Kim Dong-hyun | ... | Mixing Driver (as Dong-hyeon Kim) | |
| Jang Gwang | ... | Gong Sa-jang (as Jang Kwang) | |
| Kim Hae-sook | ... | Dong-joo's Mother | |
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Choi Ho-Joong | ... | Adult Alumnus |
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Lim Jeong-eun | ... | Bo-ra |
| Choi Jin-hyuk | ... | Min-soo (as Tae-ho Kim) | |
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Kim Jun-ho | ... | Man On Subway |
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Chan-ho Lee | ... | Myung-suk |
| Ahn Nae-sang | ... | Street Stall Customer | |
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Lee Seung-hun | ... | Senior |
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Oh Tae-kyung | ... | Alumni 1 (as Tae-kyung Oh) |
Produced by
| Seo-yull Lee | ... | producer (as Seo-yeol Lee) |
Camera and Electrical Department
| Kim Taehun | ... | lighting technician |