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John Leguizamo as Sid (voice) |
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Chris Wedge as Scrat (voice) |
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Shane Baumel as Whiny Beaver Boy (voice) |
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Paul Butcher as Smarty Pants Molehog Boy (voice) |
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Sean S. Cunningham as Glyptodon Boy (voice) |
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Karen Disher as S'more (voice) |
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Khamani Griffin as Beaver Son (voice) |
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John Hawkinson as Beaver Dad (voice) |
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Feodor Lark as Aardvark Girl Cindy (voice) |
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Emily Osment as Start Girl Claire (voice) |
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Élie Semoun as Additional Voices (voice) |
| Writing | Jon Vitti | Writer |
| Directing | Karen Disher | Director |
| Writing | Mike Reiss | Writer |
| Directing | Galen T. Chu | Director |
| Visual Effects | Paul Downs | Animation |
| Crew | Tansal Arnas | Schedule Coordinator |
| Art | Moroni Taylor | Storyboard Artist |
| Editing | Erin Crackel | Editor |
| Sound | Al Nelson | Supervising Sound Editor |
| Sound | Lora Hirschberg | Sound Re-Recording Mixer |
| Production | Carlos Saldanha | Executive Producer |
| Production | Lori Forte | Producer |
| Production | Chris Wedge | Executive Producer |
| Production | John C. Donkin | Producer |
| Writing | Yoni Brenner | Writer |
| Production | Patrick Worlock | Producer |
| Lighting | Wesley Mandell | Lighting Artist |
| Sound | Michael A. Levine | Original Music Composer |
