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
Director
Producer
Animation
Executive Producer
Editor
Original Music Composer
Executive Producer
Editor
Editor
Music Supervisor
Production Design
Executive Producer
Animation
Sound Re-Recording Mixer
Sound Re-Recording Mixer
Supervising Sound Editor
Songs
Songs
Producer
Sound Designer
Co-Director
Supervising Sound Editor
Book
Character Designer
Screenplay
Screenplay
Lighting Artist
ADR Supervisor
Dialogue Editor
Vocals
