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Justin Shenkarow as Izzy (voice) |
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Alice Ghostley as Coriba (voice) |
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Victoria Carroll as Fortius (voice) |
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Kay E. Kuter as Citius (voice) |
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Jeff Bennett as Altius (voice) |
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Tress MacNeille as Mom (voice) |
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Rob Paulsen as Dad (voice) |
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Scott Menville as Martin (voice) |
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Mike Simmrin as Spartin (voice) |
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Jim Cummings as Narrator (voice) |
| Art | Guy Vasilovich | Art Direction |
| Production | Carol Corwin | Producer |
| Directing | Don Spencer | Director |
| Production | Phil Roman | Executive Producer |
| Writing | Sindy McKay | Writer |
| Art | Jim Schumann | Storyboard Artist |
| Visual Effects | Guy Vasilovich | Character Designer |
| Sound | Mark Koval | Music |
| Art | Bob Curtis | Storyboard Artist |
| Art | Brian Hogan | Storyboard Artist |
