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Frank Welker as Scooby-Doo / Fred Jones (voice) |
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Matthew Lillard as Shaggy Rogers (voice) |
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Grey DeLisle as Daphne Blake (voice) |
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Mindy Cohn as Velma Dinkley (voice) |
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Julie Bowen as Dr. Devon Albright (voice) |
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Lacey Chabert as Melanie Staples (voice) |
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Alan Rachins as Dr. Ned Staples (voice) |
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Paul Reubens as Irv (voice) |
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Phil LaMarr as Stan (voice) |
| Editing | Bruce King | Editor |
| Sound | Robert J. Kral | Original Music Composer |
| Production | Victor Cook | Producer |
| Writing | Rick Copp | Writer |
| Art | Tristin Cole | Background Designer |
| Directing | Michael Goguen | Director |
