More cast members have been announced for the forthcoming Children of the Sea anime film:
- Sumiko Fuji is Dede
- Goro Inagaki is Masaaki Azumi
- Yuu Aoi is Kanako Azumi
- Toru Watanabe is Sensei
Ayumu Watanabe is directing, and Kenichi Konishi is the animation director and character designer. Joe Hisaishi is composing the music for the film.
Children of the Sea is scheduled to open in Japanese theaters on June 7, 2019.