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Candi Milo as Grumble Bugs (voice) |
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Bob Murdy as Cuco (voice) |
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Angela Shelton as Miss Juicy / Speak & Spell (voice) |
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André Sogliuzzo as Headache / Kickbutt (voice) |
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Karl Wiedergott as Wallop (voice) |
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Reno Wilson as Rex (voice) |
| Writing | Arlene Klasky | Writer |
| Production | Robin Kay | Line Producer |
| Art | Rudi Berden | Storyboard Artist |
| Crew | Arlene Klasky | Creator |
| Production | Gábor Csupó | Executive Producer |
| Production | Amy McKenna | Line Producer |
| Production | Susan Ward | Line Producer |
| Directing | Arlene Klasky | Director |
| Production | Arlene Klasky | Executive Producer |
