- Ken Utsui
- Super Giant
- Minako Yamada
- Yoshiko Asayama / Dr.Asayama's Daughter,High School Girl
- Masao Takamatsu
- Dr.Asayama
- Ryo Iwashita
- Ryo Asayama
- Makoto Abe
- Jirô Asayama
- Hiroshi Asami
- Yûichi Fukami
- Akira Nakamura
- Dr.Fukami
- Noriko Katsuma
- Noriko Fukami / Little Girl
- Shôzaburô Date
- Dr.Asayama's Assistant
- Chisako Hara
- (as Chisako Tahara)
- Seiji Hara
- Strange Sound Committee's Member
- Satoshi Komori
- Diet Member 1
- Akiko Ono
- Alien Hag
- Yasuhiko Tôdô
- Spaceship Committee's Member
- Tomohiko Ãtani
- Alien Magician
