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Marvin Miller as Dr. Tazawa / Tatsuma Kanai / Raizo Sonoda (voices) |
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Paul Frees as Saiki / Kinami / Hooverman (voices) |
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Bill Idelson as (voice) |
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Virginia Gregg as (voice) |
| Production | Edward L. Alperson | Producer |
| Production | Stanley D. Meyer | Producer |
| Directing | 本多猪四郎 | Director |
| Writing | John Meredyth Lucas | Dialogue |
| Writing | 木村 武 | Screenplay |
| Editing | Kenneth Wannberg | Editor |
| Sound | 石井歓 | Music |
| Sound | 團伊玖磨 | Music |
| Writing | 丘美丈二郎 | Story |
