 |
Mel Blanc as Raven / Dr. Jekyll / Giant Bookworm (voice) (uncredited) |
 |
Frank Elmquist as Various (voice) (uncredited) |
| Directing | Hugh Harman | Director |
| Production | Hugh Harman | Producer |
| Directing | Friz Freleng | Director |
| Writing | Charles McGirl | Story |
| Writing | Jack Cosgriff | Story |
| Sound | Scott Bradley | Music Director |
