- Ken Utsui
- Super Giant
- Junko Ikeuchi
- Toshiko / Sister
- Minoru Takada
- Father
- Shôji Nakayama
- Okamoto / Detective
- Reiko Seto
- Reiko Okamoto / Okamoto's Sister,High School Girl
- Ryo Iwashita
- Masao / Boy with Hat
- Noriko Katsuma
- Yoshiko / Little Girl
- Yukihiko Ãsawa
- Hiroshi / Kidnaped Boy
- Jack Altenbay
- Atom AB Leader
- Hiroshi Ayukawa
- The Man in Cage
- Seiji Hara
- Detective B
- Utako Mitsuya
- Kaoru
- Kôtarô Sugiyama
- Detective A
- Jôji Ôhara
- The Member of Atom AB
- Enver Altenbay
- M6 (Atom AB)
