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Jack Corbett as Billy 5000 (voice) |
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Miya Folick as Rosario 'Rozebud' Dolphin (voice) |
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Tavi Gevinson as Glarba (voice) |
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Elsie Fisher as Beatbox (voice) |
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Grace Kuhlenschmidt as Freckles (voice) |
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Julio Torres as T-Bone / Gas Station Guy / Brontosaurus (voice) |
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Joe Pera as Herschel Cretaceous (voice) |
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Sarah Sherman as Miss Sharon / Minivan Mom (voice) |
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Cole Escola as Ol' Slippy / Nan (voice) |
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Eva Victor as Gail 5000 (voice) |
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Chris Fleming as Weenie (voice) |
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River L. Ramirez as Gordon Spaghetti / Fettuccini Enthusiast / Paramedic / Minivan Baby (voice) |
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Max Wittert as Byron (voice) |
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Janeane Garofalo as Dr. Dolphin (voice) |
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Demi Adejuyigbe as Mr. Moolah (voice) |
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J.R. Phillips as Peanut (voice) |
| Production | Peisin Yang Lazo | Executive Producer |
| Directing | Julian Glander | Director |
| Production | Julian Glander | Producer |
| Writing | Julian Glander | Writer |
| Visual Effects | Julian Glander | Animation |
| Sound | Julian Glander | Original Music Composer |
| Sound | Julian Glander | Songs |
