Cast
Danny DeVito
The Lorax (voice)
Ed Helms
Once-ler (voice)
Zac Efron
Ted Wiggins (voice)
Rob Riggle
Mr. Aloysius O'Hare (voice)
Taylor Swift
Audrey (voice)
Jenny Slate
Mrs. Wiggins (voice)
Betty White
Grammy Norma (voice)
Nasim Pedrad
Once-ler's Mom (voice)
Joel Swetow
1st Marketing Guy (voice)
Michael Beattie
2nd Marketing Guy (voice)
Elmarie Wendel
Aunt Grizelda (voice)
Dave B. Mitchell
1st Commercial Guy (voice)
Dempsey Pappion
2nd Commercial Guy (voice)
Danny Cooksey
Brett / Chet (voice)
Stephen Tobolowsky
Uncle Ubb (voice)
Chris Renaud
Forest Animals (voice)
Sherry Lynn
Additional Voices (voice)
Mickie McGowan
Additional Voices (voice)
Jack Angel
Additional Voices (voice)
Bob Bergen
Additional Voices (voice)
Debi Derryberry
Additional Voices (voice)
Danny Mann
Additional Voices (voice)
Fletcher Sheridan
Cy (voice)
John Cygan
Additional Voices (voice)
Bill Farmer
Additional Voices (voice)
Jess Harnell
Additional Voices (voice)
Mona Marshall
Additional Voices (voice)
Laraine Newman
Additional Voices (voice)
Jan Rabson
Additional Voices (voice)
Claira Nicole Titman
Additional Voices (voice)
Jim Ward
Additional Voices (voice)
Kev Adams
(voice) (uncredited)
François Berléand
(voice) (uncredited)
Alexandra Lamy
(voice) (uncredited)
Crew
Carter Goodrich
Visual Effects
Chris Renaud
Directing
JH
Janet Healey
Production
MR
Mitja Rabar
Visual Effects
Claire Dodgson
Editing
Ken Schretzmann
Editing
SL
Steven Liu
Editing
John Powell
Sound
Yarrow Cheney
Art
Audrey Geisel
Production
Ken Daurio
Production
Cinco Paul
Production
MR
Massimo Ruberto
Sound
FJ
Fabrice Joubert
Visual Effects
Randy Thom
Sound
Randy Thom
Sound
Gary Rizzo
Sound
John Powell
Sound
Cinco Paul
Sound
Chris Meledandri
Production
Randy Thom
Sound
Dennis Leonard
Sound
Kyle Balda
Directing
Dr. Seuss
Writing
Eric Guillon
Visual Effects
Cinco Paul
Writing
Ken Daurio
Writing
CCL
Catherine Catie Lee
Lighting
Daniel Laurie
Sound
Daniel Laurie
Sound
Julie Minasian
Sound
