Casts
Jung Woo-sung
as Professor Hak-kyu
Esom
as Deok-ee / Se-jung
Park So-young
as Chung-ee
Kim Hee-won
as Mr. Choi
Park Seo-yeon
as Young Chung-ee
Park So-dam
as Chung-ee's Friend
Yoon Se-a
as Chung-ee's Mother
Han Joo-young
as Ji-eun
Son Suk-ku
as Deong-chi
Lee Seo-yi
as Student
