Lim Chae-heonGrand Albert (voice) Moon Nam-sookJett (voice) Chang Eun-sookDizzy (voice) Hong So-youngDonnie (voice) Jeon Tae-yeolJerome (voice) Jeong Yeong-wungPaul (voice) Jamieson DeacyClara / Olivia (voice) Porter FasulloAstro (voice) Vanessa LemonidesHye Mi Mother (voice) Anne D. BernsteinSchrijver Jisoo HanExecutive Producer Young Hong JeongExecutive Producer Josh SeligExecutive Producer Chan Kyung JungExecutive Producer Sharon Gomes ThomasProducer Han Sang-hoExecutive Producer 
