Detective Charlie Chan springs into action when top officials of a New Orleans chemical company begin dropping like flies.
| Directing | Derwin Abrahams | Director |
| Writing | Earl Derr Biggers | Characters |
| Writing | Scott Darling | Screenplay |
| Camera | William A. Sickner | Director of Photography |
| Costume & Make-Up | Lela Chambers | Hairstylist |
| Art | Dave Milton | Art Direction |
| Art | Ken Swartz | Set Decoration |
| Production | James S. Burkett | Producer |
| Editing | Ace Herman | Editor |
| Production | Glenn Cook | Production Supervisor |
| Directing | Theodore Joos | Assistant Director |
| Sound | Tom Lambert | Sound |
| Editing | Otho Lovering | Supervising Editor |
| Directing | Mary Chaffee | Script Supervisor |
