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James Hong as Mr. Mizuno, the Librarian and Human Vapor (voice) |
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土屋嘉男 as Mr. Mizuno, the Librarian and Human Vapor |
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八千草薫 as The Dancer |
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佐多契子 as The Reporter |
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Tatsuya Mihashi as The Detective |
| Directing | Ishirō Honda | Director |
| Production | Stanley D. Meyer | Producer |
| Production | Edward L. Alperson | Producer |
| Writing | John Meredyth Lucas | Story |
| Sound | 宮内國郎 | Music |
| Production | 藤本真澄 | Executive In Charge Of Production |
| Production | Tomoyuki Tanaka | Executive Producer |
| Writing | Takeshi Kimura | Screenplay |
| Camera | 小泉一 | Director of Photography |
| Crew | 円谷英二 | Special Effects |
| Editing | Kenneth Wannberg | Editor |
