On screen
Cast
15 credited performers
Jung Yu-mi
Oki
Lee Sun-kyun
Jingu
Moon Sung-keun
Professor Song
Seo Young-hwa
Sooyang
Baek Jeong-rim
Hyerim
Lee Chae-eun
Audience
Artwork unavailable
Song Gi-hyeong
Professor Oh
Um Tae-goo
Student
Shin Sun
Student
Park Seo-yeon
Yangsoon
Artwork unavailable
Cho Sung-deok
Professor Bang
Artwork unavailable
Jeong Ji-hye
Student
Artwork unavailable
Bae Ju-yeon
Moderator
Artwork unavailable
Kim Jin-gyeong
Oki's friend
Artwork unavailable
Seo Jung-hyun
Junior