The Tiger
(Hunter Ahn)
Taxi Driver
(Ok Ju-man)
Dr. Romantic
(Professor Park)
True Beauty
(Disciplinary Teacher)
Hospital Playlist
([Ik Jun's professor])
Racket Boys
(Noh San-woo)
Melancholia
(Han Myung-Jin)
Destined with You
(Na Jung-beom)
Secret Mother
(Yoon Seung-Soo)
Where Stars Land
(Kong Seung-Cheol)
Special Labor Inspector, Mr. Jo
(Hwang Doo-Sik)
Catch The Ghost
(Jeon Won-Chool)
Lovely Runner
(Kim Seok-hyun)
Forest
(Park Jin-man)
Miss Night and Day
(Do Pyeon-gang)