A test pilot is missing and a search party is sent out in the jungles of Mexico; however, while searching they uncover a monster in the jungle who became this way due to a dose of radioactivity.
| Directing | Bert I. Gordon | Director |
| Writing | Bert I. Gordon | Writer |
| Production | Henry Schrage | Associate Producer |
| Editing | Carlo Lodato | Editor |
| Sound | Albert Glasser | Original Music Composer |
| Production | Bert I. Gordon | Producer |
| Camera | Ira H. Morgan | Director of Photography |
| Directing | Ray Taylor Jr. | Assistant Director |
| Crew | Bert I. Gordon | Special Effects |
| Costume & Make-Up | Carlie Taylor | Makeup Artist |
| Directing | Harry L. Fraser | Assistant Director |
| Production | Henry Schrage | Production Manager |
| Costume & Make-Up | Jack H. Young | Special Effects Makeup Artist |
| Production | Flora M. Gordon | Producer's Assistant |
