JOY
(Gong Yu-il)
Kim Hyun-jin
(Tak Mu-yi)
Lee Do-han
(Ryu Min)
Kang Na-eon
(Ju Da-hong)
Shin Hyun-soo
(Kang Hee-soo)
나현영
(Yu Yeon-ju)
Lee Jong-hyuk
(Yu-il’s Father)
Jin Kyung
(Yu-il’s Mother)
Shin So-yul
(Kim Min-jeong)
Lee Chul-woo
(Yoon Jae-gyu)
Choi Kwon
(Kim Young-soo)
Jung Young-sook
(Jeong Yi-sook)
Lee Doa
(Song Yun-oh)
최반석
(Park Jun-ho)