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Mark Wagner as Tommy (voice) |
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Tara Ketterer as Beth (voice) |
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Mischa Barton as Betty Ann Bongo (voice) |
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Trisha Hedgecock as Repunzil (voice) |
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Dylan Roberts as August (voice) |
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Kathleen Fasolino as Tina (voice) |
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Mo Willems as September / Grubby Groo (voice) |
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Jimmy McQuaid as Billy (voice) |
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Tim Duffy as P. Boy (voice) |
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Keith Franklin as Hat Boy (voice) |
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Brad Richards as Brad (voice) |
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Kris Greengrove as February (voice) |
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Kevin Seal as All Yelling / Heatometer 4000 (voice) |
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John Morgan as Back Boy (voice) |
| Sound | Paul Samiljan | Music |
| Production | Kris Greengrove | Producer |
| Directing | Mo Willems | Director |
| Sound | Louis Lino | Music |
| Writing | Mo Willems | Writer |
| Directing | John Paratore | Layout |
| Directing | Igor Mitrovic | Layout |
| Directing | Karen Villarreal | Layout |
| Directing | Steven Dovas | Layout |
| Directing | Nick Demayo | Layout |
| Directing | Frank Gresham | Layout |
| Directing | John Wilson | Layout |
| Art | Mo Willems | Storyboard Artist |
