The Hoober-Bloob Highway is an animated musical special written by Dr. Seuss. Visit the magical island where Mr. Hoober-Bloob sends babies to Earth in his own musical way.
| Actor | Role |
|---|---|
 Hal SmithNot listed | Not listed |
 Mel BlancBub (voice) | Bub (voice) |
 Bob HoltMr. Hoober-Bloob (voice) | Mr. Hoober-Bloob (voice) |
 June ForayNot listed | Not listed |
 Lennie WeinribNot listed | Not listed |