Nam Ji-hyun

Park Jin-ju (segment "Blue Bird on the Desk")

Jung Jin-an

Ma Jin-ju (segment "Blue Bird on the Desk")

Kwon Eun-soo

So-young (segment "U and Me")

Oh Ji-hye

Chul-goo's Mother (segment "U and Me")

Park Bo-young

Hee-so (segment "Relay")

Son Eun-seo

Gyu-ri (segment "Relay")

Sung Ji-ru

Teacher (segment "Blue Bird on the Desk")

Moon Sung-keun

Vice Principal (segment "Relay")

Jung Yu-mi

Health Teacher (segment "Relay")

Kim Mi-hui

Teacher (segment "Relay")

Choi Won-tae

Choi Young-chan (segment "Girl on the Run")

Choi Yo-han

Teacher (segment "Relay")

Dong Hyo-hee

Jin-ju's mother (segment "Blue Bird on the Desk")

Ji Dae-han

Gym teacher (segment "Relay")

Kim Joo-ryoung

Proctor (segment "Blue Bird on the Desk")

Lee Tae-yeong

Cha-eun's father (segment "Girl on the Run")