Shimajiro, who helped an injured baby whale Kuu-chan, takes care of Kuu-chan who wants to return to her mother and keeps her in touch. In order to return Ku-chan, who was about to be sent to the aquarium, to her mother, Shimajiro rides on her back and sets out on a journey toward the southern sea.
南央美
as Shimajiro Shimano
高橋美紀
as Mimirin / Hana Shimano
山崎たくみ
as Torippii / Lion Police Officer
杉本沙織
as Nyakkii Momoyama
井上喜久子
as Shimajiro's Mother
茶風林
as Shimajiro's Father
久保田紗友
as Sea Fairy
Naoto Nojima
as Starfish Man
笹森亜希
as Zota
戸田亜紀子
as Buta
稲葉実
as Gaogao-San
飛田展男
as Kankachi
