A uranium prospector is eating a peanut butter sandwich in the desert where atom bomb tests are being done. He becomes radioactive, and helps the FBI break up an enemy spy ring.
| Directing | Leslie H. Martinson | Director |
| Writing | Benedict Freedman | Writer |
| Writing | John Fenton Murray | Writer |
| Production | Mickey Rooney | Producer |
| Sound | Van Alexander | Original Music Composer |
| Camera | John L. Russell | Director of Photography |
| Editing | Fred Allen | Editor |
| Art | Frank Hotaling | Art Direction |
| Writing | Blake Edwards | Story |
| Production | Maurice Duke | Associate Producer |
| Directing | Geraldine Wright | Script Supervisor |
