Seven more cast members have been announced for the forthcoming anime adaptation of the Grand Blue Dreaming manga:
- Nana Mizuki is Kaya Mizuki
- Takuya Eguchi is Hajime Nojima
- Junya Enoki is Shinichirō Yamamoto
- Natsuki Hanae is Yū Mitarai
- Robert Waterman is Kenta Fujiwara
- Shinji Kawada is Toshio Kotegawa
- Jun Fukuyama is Captain Kudō
Shinji Takamatsu is serving as director, scriptwriter, and sound director at animation studio Zero-G. Hideoki Kusama is the character designer.
Shōnan no Kaze performs the show’s opening theme song “Grand Blue.” Voice actors Yūma Uchida, Ryohei Kimura, Hiroki Yasumoto, and Katsuyuki Konishi perform the show’s ending theme song “Konpeki no al Fine” under the unit name “Izu no Kaze.”
Grand Blue Dreaming is scheduled to premiere on Japanese television on July 14, 2018.