Park Jin-ju (Blue Bird on the Desk)
Nam Ji-hyun
Ma Jin-ju (Blue Bird on the Desk)
Jung Jin-an
Choi Young-chan (Girl on the Run)
Choi Won-tae
Choi Yo-han
So Young (U and Me)
Kwon Eun-soo
Chul Goo's Mother (U and Me)
Oh Ji-hye
Hee So (Relay)
Park Bo-young
Gyu Ri (Relay)
Son Eun-seo
Teacher (Blue Birds on the Desk)
Sung Ji-ru
Vice Principal (Relay)
Moon Sung-keun
Health Teacher (Relay)
Jung Yu-mi
(Relay)
Kim Mi-hui
Director
Kim Tae-yong
Pang Eun-jin
Visual Effects Supervisor
Jang Seong-ho
Supervising Producer
Min Hwan-ki
Lee Hyun-seung
Lee Chung-jik
Jeon Gye-soo
Yoon Seong-ho
Editor
Sung Su-ah
Producer
Park Kwan-su
Kim Hyung-ju
Costume Design
Han Myeong-suk
Director of Photography
Choi Chan-min