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Casey Kasem as Shaggy Rogers (voice) (archive footage) |
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Frank Welker as Scooby-Doo / Fred Jones (voice) (archive footage) |
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Mindy Cohn as Velma Dinkley (voice) (archive footage) |
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Grey DeLisle as Daphne Blake / Dempsey (voice) (archive footage) |
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Mark Hamill as Emperor Caesar Saladicus (voice) (archive footage) |
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Daran Norris as Ugo DiRinaldi / Shopkeeper / Zombie (voice) (archive footage) |
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Tara Strong as Alexandra Viggi (voice) (archive footage) |
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Nika Futterman as Rutie Banez (voice) (archive footage) |
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Pat Fraley as Uncle Karl (voice) (archive footage) |
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Dee Bradley Baker as Crusty McPeet / Keeper (voice) (archive footage) |
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Kevin McDonald as Julian Libris (voice) (archive footage) |
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Ryan Sheckler as Ryan Sheckler (voice) (archive footage) |
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Maurice LaMarche as Additional Voices (voice) (archive footage) |
