The Lorax— Full Cast

Danny DeVito

as The Lorax (voice)

Ed Helms

as Once-ler (voice)

Zac Efron

as Ted Wiggins (voice)

Rob Riggle

as Mr. Aloysius O'Hare (voice)

Taylor Swift

as Audrey (voice)

Jenny Slate

as Mrs. Wiggins (voice)

Betty White

as Grammy Norma (voice)

Nasim Pedrad

as Once-ler's Mom (voice)

Joel Swetow

as 1st Marketing Guy (voice)

Michael Beattie

as 2nd Marketing Guy (voice)

Elmarie Wendel

as Aunt Grizelda (voice)

Dave B. Mitchell

as 1st Commercial Guy (voice)

Dempsey Pappion

as 2nd Commercial Guy (voice)

Danny Cooksey

as Brett / Chet (voice)

Stephen Tobolowsky

as Uncle Ubb (voice)