Marvin Miller
Narrator (voice)
Marvin Miller
Narrator (voice)
Robert Cannon
Director
Gail Kubik
Music
Dr. Seuss
Story
Bill Melendey
Animation
Frank Smith
Animation
Stephen Bosustow
Executive Producer
Willis Pyle
Animation
John Hubley
Supervising Animation Director
Rudy Larriva
Animation
Phil Eastman
Adaptation
Pat Matthews
Animation
William T. Hurtz
Art Direction
Adrian Woolery
Production Manager
Jules Engel
Color Designer
Bill Scott
Adaptation