<Ul> <Li> Danny DeVito as the Lorax </Li> <Li> Ed Helms as the Once - ler . Neither the book nor the TV special reveal the Once - ler 's face , but instead throughout the book , the Once - ler is pictured by what appears to be green arms and yellow eyes . The filmmakers used that as the basis for the Once - ler 's character design . They interpreted the Once - ler as a human , and also featured his green gloves and showed his face for the first time in this film . </Li> <Li> Zac Efron as Theodore `` Ted '' Wiggins , an idealistic 12 - year - old boy . He is named after the author of the book , Dr. Seuss ( Theodor Geisel ) . </Li> <Li> Taylor Swift as Audrey , Ted 's love interest . She is named after Audrey Geisel , Dr. Seuss ' wife . </Li> <Li> Betty White as Grammy Norma , Ted 's wise - cracking grandmother . </Li> <Li> Rob Riggle as Aloysius O'Hare , the greedy mayor of Thneedville and head of the `` O'Hare Air '' company that supplies fresh air to Thneedville residents . </Li> <Li> Jenny Slate as Mrs. Wiggins , Ted 's neurotic mother . </Li> <Li> Nasim Pedrad as the Once - ler 's mother . </Li> <Li> Stephen Tobolowsky as Uncle Ubb , the Once - ler 's uncle . </Li> <Li> Elmarie Wendel as Aunt Grizelda , the Once - ler 's aunt . </Li> <Li> Danny Cooksey as Brett and Chet , the Once - ler 's twin brothers . </Li> <Li> Fletcher Sheridan ( uncredited ) as Cy , the O'Hare Air delivery guy </Li> <Li> Chris Renaud as Assorted forest animals </Li> </Ul>
<Ul> <Li> Danny DeVito as the Lorax </Li> <Li> Ed Helms as the Once - ler . Neither the book nor the TV special reveal the Once - ler 's face , but instead throughout the book , the Once - ler is pictured by what appears to be green arms and yellow eyes . The filmmakers used that as the basis for the Once - ler 's character design . They interpreted the Once - ler as a human , and also featured his green gloves and showed his face for the first time in this film . </Li> <Li> Zac Efron as Theodore `` Ted '' Wiggins , an idealistic 12 - year - old boy . He is named after the author of the book , Dr. Seuss ( Theodor Geisel ) . </Li> <Li> Taylor Swift as Audrey , Ted 's love interest . She is named after Audrey Geisel , Dr. Seuss ' wife . </Li> <Li> Betty White as Grammy Norma , Ted 's wise - cracking grandmother . </Li> <Li> Rob Riggle as Aloysius O'Hare , the greedy mayor of Thneedville and head of the `` O'Hare Air '' company that supplies fresh air to Thneedville residents . </Li> <Li> Jenny Slate as Mrs. Wiggins , Ted 's neurotic mother . </Li> <Li> Nasim Pedrad as the Once - ler 's mother . </Li> <Li> Stephen Tobolowsky as Uncle Ubb , the Once - ler 's uncle . </Li> <Li> Elmarie Wendel as Aunt Grizelda , the Once - ler 's aunt . </Li> <Li> Danny Cooksey as Brett and Chet , the Once - ler 's twin brothers . </Li> <Li> Fletcher Sheridan ( uncredited ) as Cy , the O'Hare Air delivery guy </Li> <Li> Chris Renaud as Assorted forest animals </Li> </Ul>
who did zac efron voice in the lorax
who did zac efron voice in the lorax
Theodore `` Ted '' Wiggins
Theodore `` Ted '' Wiggins