| Director | Tom Shadyac |
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| Assistant Director | Alan B. Curtiss |
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| Cat | Robin Williams(Actor) |
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| Daniel London(Actor) |
| Monica Potter(Actress) |
| Philip Seymour Hoffman(Actor) |
| Bob Gunton(Actor) |
| Josef Sommer(Actor) |
| Harve Presnell(Actor) |
| Peter Coyote(Actor) |
| Irma P.Hall(Actress) |
| Barry Shabaka Henley(Actor) |
| Harold Gould(Actor) |
| Ellen Albertini Dow(Actress) |
| Michael Jeter(Actor) |
| Ryan Hurst(Actor) |
| Richard Kiley(Actor) |
| Harry Groener(Actor) |
| Alan Tudyk(Actor) |
| Voice Artist | Yasuyoshi Hara |
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| Tomoyuki Dan |
| Aruno Tahara |
| Kinryu Arimoto |
| Sayuri Sadaoka |
| Kazuaki Itoh |
| Screenwriter | Steve Oedekerk |
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| Original music | Marc Shaiman |
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| Arrangement | Jon Kull |
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| Pete Anthony |
| Jeff Atmajian |
| Cinematographer | Phedon Papamichael |
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| Producer | Steve Oedekerk |
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| Allegra Clegg |
| Charles Newirth |
| Alan B. Curtiss |
| Executive Producer | Tom Shadyac |
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| Distributing agency | United International Pictures |
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| Special Effects | Sony Pictures Imageworks/SPI |
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| Art Director | Linda DeScenna |
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| Costume Designer | Judy L. Ruskin |
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| Editor | Don Zimmerman |
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| Sound Department | Gregg Landaker |
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| Steve Maslow |
| Subtitles translation | Natsuko Toda |
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| Other Crew | Allegra Clegg |
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| Pete Anthony |