Directed by
| Ishirô Honda | ... | (as Ishiro Honda) |
| Terry O. Morse | ... | (as Terry Morse) |
Writing Credits
| Shigeru Kayama | ... | (novel) |
| Takeo Murata | ... | (screen play) & |
| Ishirô Honda | ... | (screen play) (as Ishiro Honda) |
| Terry O. Morse | ... | (adaptation) (uncredited) |
| Tomoyuki Tanaka | ... | (story "The Giant Monster from 20, 000 Leagues Under The Sea") |
| Al C. Ward | ... | (adaptation) (uncredited) |
Cast (in credits order) verified as complete
Produced by
| Edward B. Barison | ... | producer: US material (uncredited) |
| Richard Kay | ... | producer: US material (uncredited) |
| Joseph E. Levine | ... | executive producer: US material (uncredited) |
| Iwao Mori | ... | executive producer (uncredited) |
| Harry Rybnick | ... | producer: US material (uncredited) |
| Tomoyuki Tanaka | ... | producer |
| Terry Turner | ... | executive producer: US material (uncredited) |
Music by
| Akira Ifukube | ||
Editing by
| Terry O. Morse | ... | supervising editor (as Terry Morse) |
Production Design by
| Satoru Chûko | ||
Art Direction by
| Satoru Chûko | ... | (as Satoru Chuko) |
| Takeo Kita | ||
Set Decoration by
| George Rohr | ||
Second Unit Director or Assistant Director
| Ira Webb | ... | assistant director |
Art Department
| Teizô Toshimitsu | ... | special effects suit designer (uncredited) |
Sound Department
| Hisashi Shimonaga | ... | sound |
| Arthur B. Smith | ... | sound (as Art Smith) |
Special Effects by
| Kaimai Eizo | ... | special effects |
| Kyuichirô Kishida | ... | special photographic effects (as Kuichiro Kishida) |
| Hiroshi Mukoyama | ... | special photographic effects |
| Eiji Tsuburaya | ... | special photographic effects |
| Akira Watanabe | ... | special photographic effects |
Visual Effects by
| Sadao Iizuka | ... | creator of Godzilla's atomic breath |
Camera and Electrical Department
| Guy Roe | ... | cameraman: US material / cinematographer: American footage |
| Masao Tamai | ... | cameraman |
Editorial Department
| Terry Morse Jr. | ... | assistant editor (uncredited) |