Kim Dong-hwi

as Ah-in

as Woo Dong-seok (1 episode)

as Jong-su

as Geun-seok (7 episodes)

as Min-ha

as ChAtTaTkat

as Song Jae-hyo (8 episodes)

as Son Hwan

as Han Ji-woo

as Hwang Min-ha

as Oh Il-yong (14 episodes)

as Min-su

as Self (1 episode)

as Sangwoo

as Kim Hu-jeong (6 episodes)

as Student

as Young Sung-yeol

as Prince