Directed by
| David Hand | ... | (uncredited) |
| Wilfred Jackson | ... | (earlier cartoon clips) (uncredited) |
Cast
| Billy Bletcher | ... | Doctor XXX (uncredited) | |
| Pinto Colvig | ... | Pluto (voice) (uncredited) | |
| Walt Disney | ... | Mickey Mouse (voice) (uncredited) | |
 |
Florence Gill | ... | Hen (uncredited) |
|
|
Allan Watson | ... | Doctor XXX (uncredited) |
Produced by
| Walt Disney | ... | producer (uncredited) |
Music by
| Bert Lewis | ... | (uncredited) |
Art Direction by
| Charles Philippi | ... | (uncredited) |
Second Unit Director or Assistant Director
| Dick Lundy | ... | assistant director (uncredited) |
Art Department
| Joe Grant | ... | storyboard artist (uncredited) |
| Ted Sears | ... | storyboard artist (uncredited) |
Sound Department
| George Lowerre | ... | sound engineer (uncredited) |
Camera and Electrical Department
| William Cottrell | ... | camera operator (uncredited) |
Animation Department
| Art Babbitt | ... | animator (uncredited) |
| Johnny Cannon | ... | animator (uncredited) |
| Les Clark | ... | animator (uncredited) |
| Pinto Colvig | ... | inbetween artist (uncredited) |
| Chuck Couch | ... | animator (uncredited) |
| Jack Cutting | ... | animator (uncredited) |
| Joe D'Igalo | ... | animator (uncredited) |
| Eddie Donnelly | ... | animator (uncredited) |
| George Drake | ... | animator (uncredited) |
| Paul Fennell | ... | animator (uncredited) |
| Nick George | ... | animator (uncredited) |
| Thomas Goodson | ... | animator (uncredited) |
| Hardie Gramatky | ... | animator (uncredited) |
| Joe Grant | ... | assistant animator (uncredited) / background artist (uncredited) |
| Jack King | ... | animator (uncredited) |
| Jack Kinney | ... | animator (uncredited) |
| Ed Love | ... | animator (uncredited) |
| Hamilton Luske | ... | animator (uncredited) |
| Fred Moore | ... | animator (uncredited) |
| Tom Palmer | ... | animator (uncredited) |
| Harry Reeves | ... | animator (uncredited) |
| Louie Schmitt | ... | animator (uncredited) |
| Ben Sharpsteen | ... | animation supervisor (uncredited) |
| Marvin Woodward | ... | assistant animator (uncredited) |
| Cy Young | ... | animator (uncredited) |
Additional Crew
| Joseph M. Schenck | ... | presenter |
