Based on a true story that depicts the pressures placed on students to achieve and gain admission to prestigious colleges and universities.
| Actor | Role |
|---|---|
 Kim Soo-hyunHan Jae-ta | Han Jae-ta |
 Park Bo-youngLee Eun-su | Lee Eun-su |
 Jang Ki-bumHan Dong-hee | Han Dong-hee |
| MMin-jiKang-seul | Kang-seul |
 Kim CJae-ta's Uncle | Jae-ta's Uncle |
| CChan-seongPark Yeong-sam | Park Yeong-sam |
 Seo Hye-jinNa Mi-rae | Na Mi-rae |
 Kim Hee-chanNot listed | Not listed |
 Kim Jeong-gyunhomeroom teacher | homeroom teacher |