上白石萌歌

Sakuta Minami

Kanata Hosoda

Moji Shouhei

斉藤由貴

Minami's mother

豊川悦司

Minami's biological father

千葉雄大

Moji's older brother

古舘寛治

Minami's stepfather

品川徹

Moji's grandfather

Hina Yukawa

Miyaji

Miyu Tomita

Koteko (voice)

Daisuke Namikawa

Count Cement (voice)

Takahiro Sakurai

Mortar (voice)

Tatsuhisa Suzuki

Concretarō (voice)

Show Hayami

Prince Shōtoku (voice)

沖田修一