Directed by
| Alexander Grasshoff | ... | (as Alex Grasshoff) |
| Tsugunobu Kotani | ... | (as Tsugunobu 'Tom' Kotani) |
Writing Credits (in alphabetical order)
| William Overgard | ||
Cast (in credits order)
| Richard Boone | ... | Masten Thrust Jr. | |
| Joan Van Ark | ... | Francesca 'Frankie' Banks | |
| Steven Keats | ... | Chuck Wade | |
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Luther Rackley | ... | Bunta |
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Masumi Sekiya | ... | Hazel |
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William Ross | ... | Hal - Mother 1 Chief Technician |
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Carl Hansen | ... | Barney |
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Tetsu Nakamura | ... | Dr. Kawamoto |
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Nancy Magsig | ... | Thrust's Girl on Plane |
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Don Maloney | ... | Mother 1 Captain |
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Vanessa Cristina | ... | Reporter |
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James Dale | ||
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Hyôe Enoki | ||
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Shunsuke Kariya | ... | Caveman Leader |
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Gary Gundersen | ||
| Rest of cast listed alphabetically: | |||
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Toru Kawai | ... | Tyrannosaurus |
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Katsumi Nimiamoto | ... | Triceratops (front half) |
Produced by
| Jules Bass | ... | producer |
| Kazuyoshi Kasai | ... | associate producer |
| Benni Korzen | ... | associate producer |
| Kinshiro Ohkubo | ... | associate producer |
| Arthur Rankin Jr. | ... | producer |
| Noboru Tsuburaya | ... | producer: Tsuburaya Productions |
| Masaki Îzuka | ... | associate producer |
Music by
| Maury Laws | ||
Cinematography by
| Shôji Ueda | ... | (as Shoji Ueda) |
Editing by
| Minoru Kozono | ||
| Yoshitami Kuroiwa | ||
| Tatsuji Nakashizu | ||
Production Management
| Minoru Kurita | ... | production manager |
Second Unit Director or Assistant Director
| Shohei Tôjô | ... | assistant director (as Shohei Tojyo) |
Art Department
| Kazuhiko Fujiwara | ... | art designer |
Sound Department
| Yuji Hiyoshi | ... | sound mixer |
Special Effects by
| Kazuo Ohashi | ... | production manager: special effects |
| Kazuo Sagawa | ... | special effects |
| Moriake Uematsu | ... | special effects specialist |
| Yoshiyuki Yoshimura | ... | assistant director: special effects |
| Tetsuzô Ôsawa | ... | art designer: special effects (as Tetsuzo Ohsawa) |
Visual Effects by
| Yasuo Kitazawa | ... | lighting: special effects |
| Michihisa Miyashige | ... | optical specialist: special effects |
| Minoru Nakano | ... | optical specialist: special effects |
| Sadao Sato | ... | cameraman: special effects |
Camera and Electrical Department
| Hisaaki Yoneyama | ... | lighting technician |
Music Department
| Kenjirô Hirose | ... | conductor (as Ken Hirose) / music arranger (as Ken Hirose) |
| Bernard Hoffer | ... | arranger: theme song / conductor: theme song |
| Nancy Wilson | ... | theme song: sung by |
Additional Crew
| Kiyotaka Ugawa | ... | coordinator |
