Directed by
| Robert McKimson | ||
Writing Credits (in alphabetical order)
| Warren Foster | ... | (story) |
Cast complete, awaiting verification
| Mel Blanc | ... | Daffy Duck / Leopold / Joe Besser Duck (voice) | |
| Stan Freberg | ... | Peter Lorre Mad Scientist (voice) (uncredited) | |
Produced by
| Edward Selzer | ... | producer (uncredited) |
Music by
| Carl W. Stalling | ... | (uncredited) |
Editing by
| Treg Brown | ... | (uncredited) |
Sound Department
| Treg Brown | ... | sound effects editor (uncredited) |
Animation Department
| John Carey | ... | animator |
| Izzy Ellis | ... | animator |
| Manny Gould | ... | animator |
| Thomas McKimson | ... | animator |
| Rod Scribner | ... | animator |
| Richard H. Thomas | ... | background artist |
| Cornett Wood | ... | layout artist |
| Fred Abranz | ... | animator (uncredited) |
| Richard Bickenbach | ... | animator (uncredited) |
| Jean Blanchard | ... | assistant animator (uncredited) |
| Cal Dalton | ... | animator (uncredited) |
| Fred Jones | ... | animator (uncredited) |
| Anatole Kirsanoff | ... | animator (uncredited) |
| Lloyd Turner | ... | inbetween artist (uncredited) |
Music Department
| Carl W. Stalling | ... | musical director (as Carl Stalling) |
| Milt Franklyn | ... | orchestrator (uncredited) |
