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Danny DeVito as The Lorax (voice) |
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Ed Helms as Once-ler (voice) |
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Chris Renaud as Pipsqueak (voice) |
| Directing | Kyle Balda | Director |
| Production | Janet Healy | Producer |
| Production | Ken Daurio | Executive Producer |
| Production | Cinco Paul | Executive Producer |
| Production | Chris Renaud | Executive Producer |
| Production | Chris Meledandri | Producer |
| Writing | Ken Daurio | Writer |
| Writing | Cinco Paul | Writer |
| Production | Robert Taylor | Associate Producer |
| Writing | Dr. Seuss | Characters |
