Directed by
| Chuck Jones | ... | (uncredited) |
Writing Credits (in alphabetical order)
| Dr. Seuss | ... | (uncredited) |
Cast
| Mel Blanc | ... | Pvt. Snafu / Malaria Mike / Tree (voice) (uncredited) | |
| Billy Bletcher | ... | Malaria Mike (voice) (uncredited) | |
Produced by
| Leon Schlesinger | ... | producer (uncredited) |
| Dr. Seuss | ... | supervising producer (uncredited) |
Music by
| Carl W. Stalling | ... | (uncredited) |
Editing by
| Treg Brown | ... | (uncredited) |
Sound Department
| Treg Brown | ... | sound effects editor (uncredited) |
Animation Department
| Robert Cannon | ... | animator (uncredited) |
| Shamus Culhane | ... | animator (uncredited) |
| Ken Harris | ... | animator (uncredited) |
| Richard Thompson | ... | animator (uncredited) |
| Lloyd Vaughan | ... | animator (uncredited) |
| Ben Washam | ... | animator (uncredited) |
Music Department
| Milt Franklyn | ... | orchestrator (uncredited) |
| Carl W. Stalling | ... | musical director (uncredited) |
