All Cast

Danny DeVito

Danny DeVito

The Lorax (voice)

Ed Helms

Ed Helms

Once-ler (voice)

Zac Efron

Zac Efron

Ted Wiggins (voice)

Rob Riggle

Rob Riggle

Mr. Aloysius O'Hare (voice)

Taylor Swift

Taylor Swift

Audrey (voice)

Jenny Slate

Jenny Slate

Mrs. Wiggins (voice)

Betty White

Betty White

Grammy Norma (voice)

Nasim Pedrad

Nasim Pedrad

Once-ler's Mom (voice)

Joel Swetow

Joel Swetow

1st Marketing Guy (voice)

Michael Beattie

Michael Beattie

2nd Marketing Guy (voice)

Elmarie Wendel

Elmarie Wendel

Aunt Grizelda (voice)

Dave B. Mitchell

Dave B. Mitchell

1st Commercial Guy (voice)

Dempsey Pappion

Dempsey Pappion

2nd Commercial Guy (voice)

Danny Cooksey

Danny Cooksey

Brett / Chet (voice)

Stephen Tobolowsky

Stephen Tobolowsky

Uncle Ubb (voice)

Chris Renaud

Chris Renaud

Forest Animals (voice)

Sherry Lynn

Sherry Lynn

Additional Voices (voice)

Mickie McGowan

Mickie McGowan

Additional Voices (voice)

Jack Angel

Jack Angel

Additional Voices (voice)

Bob Bergen

Bob Bergen

Additional Voices (voice)

Debi Derryberry

Debi Derryberry

Additional Voices (voice)

Danny Mann

Danny Mann

Additional Voices (voice)

Fletcher Sheridan

Fletcher Sheridan

Cy (voice)

John Cygan

John Cygan

Additional Voices (voice)

Bill Farmer

Bill Farmer

Additional Voices (voice)

Jess Harnell

Jess Harnell

Additional Voices (voice)

Mona Marshall

Mona Marshall

Additional Voices (voice)

Laraine Newman

Laraine Newman

Additional Voices (voice)

Jan Rabson

Jan Rabson

Additional Voices (voice)

Claira Nicole Titman

Claira Nicole Titman

Additional Voices (voice)

Jim Ward

Jim Ward

Additional Voices (voice)