 Nam Ji-hyunPark Jin-ju (segment "Blue Bird on the Desk") | Park Jin-ju (segment "Blue Bird on the Desk") |
| JJung Jin-anMa Jin-ju (segment "Blue Bird on the Desk") | Ma Jin-ju (segment "Blue Bird on the Desk") |
 Kwon Eun-sooSo-young (segment "U and Me") | So-young (segment "U and Me") |
 Oh Ji-hyeChul-goo's Mother (segment "U and Me") | Chul-goo's Mother (segment "U and Me") |
 Park Bo-youngHee-so (segment "Relay") | Hee-so (segment "Relay") |
 Son Eun-seoGyu-ri (segment "Relay") | Gyu-ri (segment "Relay") |
 Sung Ji-ruTeacher (segment "Blue Bird on the Desk") | Teacher (segment "Blue Bird on the Desk") |
 Moon Sung-keunVice Principal (segment "Relay") | Vice Principal (segment "Relay") |
 Jung Yu-miHealth Teacher (segment "Relay") | Health Teacher (segment "Relay") |
 Kim Mi-huiTeacher (segment "Relay") | Teacher (segment "Relay") |
| CChoi Won-taeChoi Young-chan (segment "Girl on the Run") | Choi Young-chan (segment "Girl on the Run") |
| CChoi Yo-hanTeacher (segment "Relay") | Teacher (segment "Relay") |
 Dong Hyo-heeJin-ju's mother (segment "Blue Bird on the Desk") | Jin-ju's mother (segment "Blue Bird on the Desk") |
 Ji Dae-hanGym teacher (segment "Relay") | Gym teacher (segment "Relay") |
 Kim Joo-ryoungProctor (segment "Blue Bird on the Desk") | Proctor (segment "Blue Bird on the Desk") |
| LLee Tae-yeongCha-eun's father (segment "Girl on the Run") | Cha-eun's father (segment "Girl on the Run") |
