The Zooks and the Yooks are at war over the butter and bread - on which side should one spread?
| Writing | Dr. Seuss | Novel |
| Directing | Ralph Bakshi | Director |
| Sound | Glen Daum | Music |
| Editing | Brad Gunther | Editor |
| Production | Dr. Seuss | Executive Producer |
| Production | Ralph Bakshi | Producer |
| Writing | Dr. Seuss | Writer |
| Visual Effects | Kent Butterworth | Animation Director |
| Visual Effects | Dave Marshall | Animation Director |
| Art | Kent Butterworth | Storyboard Artist |
| Art | Tom Minton | Storyboard Artist |
| Art | Dave Marshall | Storyboard Artist |
| Art | Jim Reardon | Storyboard Artist |
| Directing | Mike Kazaleh | Layout |
| Directing | Chris Reccardi | Layout |
| Directing | Louise Zingarelli | Layout |
| Writing | Dr. Seuss | Lyricist |
