Credits
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)
Art
Yarrow Cheney
Production Design
Directing
Kyle Balda
Co-Director
Chris Renaud
Director
Editing
Ken Schretzmann
Editor
Claire Dodgson
Editor
Steven Liu
Editor
Lighting
Catherine Catie Lee
Lighting Artist
Production
Audrey Geisel
Executive Producer
Ken Daurio
Executive Producer, Screenplay
Cinco Paul
Executive Producer, Songs, Screenplay
Chris Meledandri
Producer
Janet Healey
Producer
Sound
Daniel Laurie
ADR Supervisor, Dialogue Editor
Massimo Ruberto
Music Supervisor
John Powell
Original Music Composer, Songs
Gary Rizzo
Sound Re-Recording Mixer
Randy Thom
Sound Re-Recording Mixer, Supervising Sound Editor, Sound Designer
Dennis Leonard
Supervising Sound Editor
Julie Minasian
Vocals
Visual Effects
Fabrice Joubert
Animation
Mitja Rabar
Animation
Carter Goodrich
Character Designer
Eric Guillon
Character Designer
Writing
Dr. Seuss
Book