Pelakon & Kru
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Danny DeVitoThe Lorax - Zac EfronTed
- Taylor SwiftAudrey
- Ed HelmsThe Once-ler
- Rob RiggleMr. O'Hare
- Betty WhiteGrammy Norma
- Jenny SlateTed's Mom
- Nasim PedradOnce-ler's Mom
- Joel Swetow1st Marketing Guy
- Michael Beattie2nd Marketing Guy
- Dave B. Mitchell1st Commercial Guy
- Dempsey Pappion2nd Commercial Guy
- Elmarie WendelAunt Grizelda
- Danny CookseyBrett/Chet
- Stephen TobolowskyUncle Ubb
- Chris RenaudForest Animals
- Chris RenaudPengarah
- Kyle BaldaPengarah
- Christopher MeledandriPenerbit
- Janet HealyPenerbit
- Audrey GeiselPenerbit
- Ken DaurioPenerbit
- Cinco PaulPenerbit
- Cinco PaulPenulis
- Ken DaurioPenulis