Cast
Kwon Eun-soo
So-young (segment "U and Me")
문성근
Vice Principal (segment "Relay")
정유미
Health Teacher (segment "Relay")
지대한
Gym teacher (segment "Relay")
성지루
Teacher (segment "Blue Bird on the Desk")
김주령
Proctor (segment "Blue Bird on the Desk")
남지현
Park Jin-ju (segment "Blue Bird on the Desk")
동효희
Jin-ju's mother (segment "Blue Bird on the Desk")
오지혜
Chul-goo's Mother (segment "U and Me")
พัก โบ-ย็อง
Hee-so (segment "Relay")
손은서
Gyu-ri (segment "Relay")
김미희
Teacher (segment "Relay")