- Ken Utsui
- Starman / Super Giant
- Makoto Abe
- Fumio Sakurai
- Hiroshi Asami
- Kawada
- Chisako Hara
- Kyôko Sakurai
- Noriko Katsuma
- Noriko Sakurai
- Shûji Kawabe
- One Leg Man
- Den Kunikata
- Detective Okamoto
- Akira Nakamura
- Dr. Sakurai
- Shôji Nakayama
- (as Shoji Najayama)
- Tomohiko Ãtani
- Dr. Kurokawa