Includes shorts: Girl on the Run, The Theory & Practice of Teenage Dream, Relay, U and Me and Blue Birds on the Desk.
Park Jin-ju (segment "Blue Bird on the Desk")
Ma Jin-ju (segment "Blue Bird on the Desk")
So-young (segment "U and Me")
Chul-goo's Mother (segment "U and Me")
Hee-so (segment "Relay")
Gyu-ri (segment "Relay")
Teacher (segment "Blue Bird on the Desk")
Vice Principal (segment "Relay")
Health Teacher (segment "Relay")
Teacher (segment "Relay")
Choi Young-chan (segment "Girl on the Run")
Teacher (segment "Relay")
Jin-ju's mother (segment "Blue Bird on the Desk")
Gym teacher (segment "Relay")
Proctor (segment "Blue Bird on the Desk")
Cha-eun's father (segment "Girl on the Run")
