Junko Takeuchi
— Toron (boy) (voice)
渡辺満里奈
— Sera (voice)
Kappei Yamaguchi
— Zesta (voice)
Kengo Takanashi
— Toron (adult) (voice)
かかずゆみ
— Sparkle (voice)
佐藤みゆ希
— Toron (baby) (voice)
Kenta Miyake
— Zesta (voice)
Kentarō Hayami
— Zesta (voice)
せんだみつお
— Grandpa Niko (voice)
田尻浩章
— First Triceratops Boss (voice)
Inori Minase
— Mesomeso (voice)
駒谷昌男
— Guru (voice)
金光宣明
— Gira (voice)
Reina Ueda
— Triceratops Mother (voice)
あべそういち
— Second Triceratops Boss (voice)
内野孝聡
— Ankylosaurus Boss (voice)
Tatsuya Miyanishi
— Maiasaura (voice)