The Lorax (voice)

Danny DeVito

Acting

Once-ler (voice)

Ed Helms

Acting

Ted Wiggins (voice)

Zac Efron

Acting

Mr. Aloysius O'Hare (voice)

Rob Riggle

Acting

Audrey (voice)

Taylor Swift

Acting

Mrs. Wiggins (voice)

Jenny Slate

Acting

Grammy Norma (voice)

Betty White

Acting

Once-ler's Mom (voice)

Nasim Pedrad

Acting

1st Marketing Guy (voice)

Joel Swetow

Acting

2nd Marketing Guy (voice)

Michael Beattie

Acting

Aunt Grizelda (voice)

Elmarie Wendel

Acting

1st Commercial Guy (voice)

Dave B. Mitchell

Acting

2nd Commercial Guy (voice)

Dempsey Pappion

Acting

Brett / Chet (voice)

Danny Cooksey

Acting

Uncle Ubb (voice)

Stephen Tobolowsky

Acting

Forest Animals (voice)

Chris Renaud

Acting

Additional Voices (voice)

Sherry Lynn

Acting

Additional Voices (voice)

Mickie McGowan

Acting

Additional Voices (voice)

Jack Angel

Acting

Additional Voices (voice)

Bob Bergen

Acting

Additional Voices (voice)

Debi Derryberry

Acting

Additional Voices (voice)

Danny Mann

Acting

Cy (voice)

Fletcher Sheridan

Acting

Additional Voices (voice)

John Cygan

Acting

Additional Voices (voice)

Bill Farmer

Acting

Additional Voices (voice)

Jess Harnell

Acting

Additional Voices (voice)

Mona Marshall

Acting

Additional Voices (voice)

Laraine Newman

Acting

Additional Voices (voice)

Jan Rabson

Acting

Additional Voices (voice)

Claira Nicole Titman

Acting

Additional Voices (voice)

Jim Ward

Acting