Lee Ji-hyun
Romi (voice)
Kim Myung-jun
Joon / Kikiping (voice)
Chang Eun-sook
Curieping (voice)
Jo Kyoung-i
Heartsping (voice)
Shin Yong-woo
Dadaping (voice)
Um Sang-hyun
Gogoping (voice)
Lee Bo-hee
Chachaping (voice)
Jang Ye-na
Lalaping / Maya (voice)
Kim Eun-ah
Happying / Sarah / Charmping (voice)
