| Character | Actor | Role | |-----------|-------|------| | Dr. Genichiro Shiragami | Kōji Takahashi | Tragic scientist who creates Biollante | | Asuka Okouchi | Yasuko Sawaguchi | A psychic linked to Erika’s spirit | | Major Sho Kuroki | Tōru Minegishi | Super-X2 pilot, returns from 1984 film | | Goro Gondo | Takanobu Hozumi | Cynical biologist, becomes ally | | Miki Saegusa | Megumi Odaka | Recurring psychic (first appearance) |
Tone-wise, it’s darker and more sci-fi heavy than later Heisei films, with eerie dream sequences and a melancholic score by Koichi Sugiyama.