 | Paul Frees als Police Chief Nishimura (Voice) |
 | Art Gilmore als Narrator |
 | Keye Luke als Shigeru (Voice) |
 | George Takei als Professor Kashiwagi (Voice) |
| Ishirō Honda | Director |
| Jun Fukuda | Assistant Director |
| Tomoyuki Tanaka | Associate Producer |
| Eiji Tsuburaya | Visual Effects |
| Takeo Murata | Screenplay |
| Takeshi Kimura | Screenplay |
| Ken Kuronuma | Story |
| Akira Ifukube | Original Music Composer |
| Isamu Ashida | Director of Photography |
| Robert S. Eisen | Editor |
| Joyce Sage | Assistant Editor |
| Frank King | Producer |
| Maurice King | Producer |
| Herman King | Producer |
| J. Frank O'Neill | Editor |
| Anthony Carras | Sound Effects Editor |
| Tatsuo Kita | Art Direction |
| Tatsuo Kita | Production Design |
| Shigeru Mori | Lighting Technician |
| Teruo Maki | Production Manager |
| Ichirô Minawa | Sound Effects |
| Masanobu Miyazaki | Sound Recordist |
| Paul Sawtell | Music |
| Bert Shefter | Music |
