Hideyuki Umezu

Endo (voice)

Masahito Kawanago

Kato (voice)

Taro Masuoka

Ota (voice)

Yasuhiro Takato

Kusuke (voice)

Aruno Tahara

Ship Captain (voice)

Fumiko Orikasa

Narrator (voice)

Junko Midori

Mom Whale (voice)

Kaoru Morota

Baby Whale A (voice)

Ken Narita

Dolphin B (voice)

Kozo Shioya

Teacher (voice)

Mizue Ōtsuka

Umeko (voice)

Ryuji Nakagi

Blue Sea Turtle (voice)

Shigeru Shibuya

Dolphin A (voice)

Shino Kakinuma

Baby Whale B (voice)

Takeshi Kusao

Orca (voice)