Directed by
| Choi Jin-sung | ... | (as Jin-seong Choi) |
Writing Credits (in alphabetical order)
| Yun-Jin Choi | ... | (screenplay) |
| Choi Jin-sung | ... | (written by) (as Yun-jin Choi) |
Cast (in credits order)
 |
Shi-hoo Kim | ... | Yoon-su |
| Moon Chang-gil | ... | Executive director Park | |
| Park So-dam | ... | Ji-yun | |
| Oh Hee-jun | ... | Hyung-jun | |
|
|
Kim Kwang-sub | ... | Gwang-seop |
|
|
Tae-hee Lee | ... | Young-jun |
|
|
Park Jin-woo | ||
|
|
Jang In-sub | ... | Young-jae |
| Seo Hyun-woo | ... | Math teacher | |
|
|
Han Hee-Jung | ... | Homeroom teacher |
| Rest of cast listed alphabetically: | |||
| Jung Doo-kyum | ... | Yoon-su's father | |
| Jo Han-chul | ... | Clinic Doctor | |
| Jeong In-gi | ... | Hye Won's Father | |
| Gi Ju-bong | ... | Young Jun's Father | |
| Yoon Kyung-ho | |||
|
|
Jang-You Lee | ... | Ji Yun's Father |
| Kim Yoon-hye | ... | Hae-won | |
Produced by
| Jong Chul Gil | ... | executive producer |
| Choi Jin-sung | ... | producer (as Yoon-jin Choi) |
Music by
| Kim Tae-seong | ||
Cinematography by
| Won-ho Son | ||
Editing by
| Jae-geun Choi | ||
| So-Yeon Kim | ||
Camera and Electrical Department
| Byung-Sun Yoon | ... | first assistant camera |
