 |
Mel Blanc as Pvt. Snafu / Malaria Mike / Tree (voice) (uncredited) |
 |
Billy Bletcher as Malaria Mike (voice) (uncredited) |
| Directing | Chuck Jones | Director |
| Writing | Dr. Seuss | Writer |
| Sound | Carl W. Stalling | Original Music Composer |
| Production | Dr. Seuss | Supervising Producer |
| Editing | Treg Brown | Editor |
| Production | Leon Schlesinger | Producer |
