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

Song Gi-hyeong

Professor Oh

Um Tae-goo

Student

Shin Sun

Student

Park Seo-yeon

Yangsoon