Hong Sun-cheol (as Dae-yeon Lee)
Oh Jin Rok (as Kim Ji Hoon)
Yoo Dong Hoon
Watanabe (as Mizuta Kouki)
Webtoon Manager (as Seul-gi Kim)
Enrique Geum
Go Dok Mi
Jeong-im (as So-yi Kim)
Cha Do Hwi
Yoon Seo-young