 | Walt Disney als Mickey Mouse (voice) (uncredited) |
 | Pinto Colvig als Pluto (voice) (uncredited) |
 | Billy Bletcher als Dr. XXX (voice) (uncredited) |
| David Hand | Director |
| Walt Disney | Producer |
| Bert Lewis | Original Music Composer |
| Art Babbitt | Animation |
| David Hand | Writer |
| Joseph M. Schenck | Producer |
| Johnny Cannon | Animation |
| Les Clark | Animation |
| Ben Sharpsteen | Animation |
| Tom Palmer | Animation |
| Hardie Gramatky | Animation |
| Jack King | Animation |
| David Hand | Director of Photography |
