Cast
오지혜
Chul-goo's Mother (segment "U and Me")
朴寶英
Hee-so (segment "Relay")
성지루
Teacher (segment "Blue Bird on the Desk")
金姝怜
Proctor (segment "Blue Bird on the Desk")
鄭裕美
Health Teacher (segment "Relay")
文盛瑾
Vice Principal (segment "Relay")
김미희
Teacher (segment "Relay")
동효희
Jin-ju's mother (segment "Blue Bird on the Desk")
Kwon Eun-soo
So-young (segment "U and Me")
孫恩書
Gyu-ri (segment "Relay")
지대한
Gym teacher (segment "Relay")
南志鉉
Park Jin-ju (segment "Blue Bird on the Desk")