The Lorax (voice)
Once-ler (voice)
Ted Wiggins (voice)
Mr. Aloysius O'Hare (voice)
Audrey (voice)
Mrs. Wiggins (voice)
Grammy Norma (voice)
Once-ler's Mom (voice)
1st Marketing Guy (voice)
2nd Marketing Guy (voice)
Aunt Grizelda (voice)
1st Commercial Guy (voice)
2nd Commercial Guy (voice)
Brett / Chet (voice)
Uncle Ubb (voice)
Forest Animals (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Cy (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
Additional Voices (voice)
(voice) (uncredited)
(voice) (uncredited)
(voice) (uncredited)
Character Designer
Producer
Director
Animation
Executive Producer
Editor
Original Music Composer
Production Design
Executive Producer
Editor
Editor
Executive Producer
Music Supervisor
Animation
Songs
Supervising Sound Editor
Sound Re-Recording Mixer
Sound Re-Recording Mixer
Songs
Producer
Sound Designer
Supervising Sound Editor
Co-Director
Book
Character Designer
Screenplay
Screenplay
Lighting Artist
ADR Supervisor
Dialogue Editor
Vocals
