Directed by
| Jack Kinney | ||
Writing Credits
| Leo Salkin | ... | (story) |
| Ellis Parker Butler | ... | (book) |
Cast
 |
Bob Hamlin | ... | Singer (voice) (uncredited) |
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|
Bill Lee | ... | Singer (voice) (uncredited) |
| Dal McKennon | ... | Citizens (uncredited) | |
|
|
The Mellowmen Quartet | ... | Singers (voice) (uncredited) |
|
|
Thurl Ravenscroft | ... | Singer (voice) (uncredited) |
|
|
Max Smith | ... | Singer (voice) (uncredited) |
| Bill Thompson | ... | Flannery / Zoology Professor (voice) (uncredited) | |
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William Woodson | ... | Narrator (voice) (uncredited) |
Produced by
| Walt Disney | ... | producer (uncredited) |
Music by
| Oliver Wallace | ||
Sound Department
| George Lowerre | ... | sound engineer (uncredited) |
Visual Effects by
| Dan MacManus | ... | effects animator |
Animation Department
| Bruce Bushman | ... | layout artist |
| Al Dempster | ... | background artist |
| Eyvind Earle | ... | background artist |
| John Sibley | ... | animator |
| John Wilson | ... | layout artist |
| Ken Harris | ... | animator (uncredited) |
| John L. Jensen | ... | layout artist (uncredited) |
| Bill Justice | ... | animator (uncredited) |
| Alan Maley | ... | background artist (uncredited) |
| Cliff Nordberg | ... | animator (uncredited) |
| Joe Ruby | ... | inbetween artist (uncredited) |
| Art Stevens | ... | animator (uncredited) |
