Directed by
| Friz Freleng | ... | (as I. Freleng) |
Writing Credits
| Warren Foster | ... | (story) |
Cast (in credits order) complete, awaiting verification
| Mel Blanc | ... | John Jones / John the Mouse / Cat / Doctors / Concert Audience Members (voice) | |
| Rest of cast listed alphabetically: | |||
| Stan Freberg | ... | Miracle Cat / John the Mouse (uncredited) | |
 |
Norman Nesbitt | ... | Narrator / Concert Audience Member / Doctor (voice) (uncredited) |
| Marian Richman | ... | Mrs. Vy Jones (voice) (uncredited) | |
Produced by
| Edward Selzer | ... | producer (uncredited) |
Music by
| Milt Franklyn | ... | (uncredited) |
Editing by
| Treg Brown | ... | (uncredited) |
Sound Department
| Treg Brown | ... | sound effects editor (uncredited) |
Animation Department
| Manuel Perez | ... | animator |
| Hawley Pratt | ... | layout artist |
| Virgil Ross | ... | animator |
| Richard H. Thomas | ... | background artist |
| Pernella Butler | ... | ink and paint (uncredited) |
| Lee Guttman | ... | ink and paint (uncredited) |
| Peggy Matz | ... | ink and paint (uncredited) |
Music Department
| Milt Franklyn | ... | musical director / orchestrator (uncredited) |
