Directed by
| Friz Freleng | ||
Writing Credits (in alphabetical order)
| Michael Maltese | ... | (story) (uncredited) |
| Robert Louis Stevenson | ... | (character: Dr. Henry Jekyll/Edward Hyde) (uncredited) |
Cast (in credits order) complete, awaiting verification
| Mel Blanc | ... | Sylvester / Tweety / Mr. Hyde / Two Cats (voice) | |
Music by
| Milt Franklyn | ||
Editing by
| Treg Brown | ||
Sound Department
| Treg Brown | ... | sound effects (uncredited) |
Animation Department
| Gerry Chiniquy | ... | animator |
| Arthur Davis | ... | animator (as Art Davis) |
| Tom O'Loughlin | ... | background artist |
| Hawley Pratt | ... | layout artist |
| Virgil Ross | ... | animator |
| Art Leonardi | ... | assistant animator (uncredited) |
