Jung Yu-mi
Oki
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
Cho Sung-deok
Professor Bang
Jeong Ji-hye
Student
Bae Ju-yeon
Moderator
Kim Jin-gyeong
Oki's friend
Seo Jung-hyun
Junior
Sidewalks of New York
2001
Not Easily Broken
2009
Right Now, Wrong Then
2015
Smart People
2008
Melody
1971
...ing
2003
The Mirror Has Two Faces
1996
Surprised by Love
2015
Stardust Memories
1980
Sweet & Sour
2021
Innocent Steps
2005
The Rewrite
2014
L.A. Without a Map
1999
Tall Girl
2019
Irreplaceable You
2018