 | Hal Smith |
 | Mel Blanc als Bub (voice) |
 | Bob Holt als Mr. Hoober-Bloob (voice) |
 | June Foray |
 | Lennie Weinrib |
| Alan Zaslove | Director |
| Dean Elliott | Music |
| David H. DePatie | Executive Producer |
| Friz Freleng | Executive Producer |
| Dr. Seuss | Writer |
| Dr. Seuss | Producer |
