Danny DeVito
The Lorax (voice)
Acting
Ed Helms
Once-ler (voice)
Acting
Zac Efron
Ted Wiggins (voice)
Acting
Rob Riggle
Mr. Aloysius O'Hare (voice)
Acting
Taylor Swift
Audrey (voice)
Acting
Jenny Slate
Mrs. Wiggins (voice)
Acting
Betty White
Grammy Norma (voice)
Acting
Nasim Pedrad
Once-ler's Mom (voice)
Acting
Joel Swetow
1st Marketing Guy (voice)
Acting
Michael Beattie
2nd Marketing Guy (voice)
Acting
Elmarie Wendel
Aunt Grizelda (voice)
Acting
Dave B. Mitchell
1st Commercial Guy (voice)
Acting
Dempsey Pappion
2nd Commercial Guy (voice)
Acting
Danny Cooksey
Brett / Chet (voice)
Acting
Stephen Tobolowsky
Uncle Ubb (voice)
Acting
Chris Renaud
Forest Animals (voice)
Acting
Sherry Lynn
Additional Voices (voice)
Acting
Mickie McGowan
Additional Voices (voice)
Acting
Jack Angel
Additional Voices (voice)
Acting
Bob Bergen
Additional Voices (voice)
Acting
Debi Derryberry
Additional Voices (voice)
Acting
Danny Mann
Additional Voices (voice)
Acting
Fletcher Sheridan
Cy (voice)
Acting
John Cygan
Additional Voices (voice)
Acting
Bill Farmer
Additional Voices (voice)
Acting
Jess Harnell
Additional Voices (voice)
Acting
Mona Marshall
Additional Voices (voice)
Acting
Laraine Newman
Additional Voices (voice)
Acting
Jan Rabson
Additional Voices (voice)
Acting
Claira Nicole Titman
Additional Voices (voice)
Acting
Jim Ward
Additional Voices (voice)
Acting