A famous scientist and his beautiful daughter travel to Indochina to find an ivory disc that has the formula for a deadly gas engraved on it. An evil doctor and his gang are also looking for it.
| Directing | Ray Taylor | Director |
| Writing | Charles W. Goddard | Story |
| Writing | Ella O'Neill | Screenplay |
| Writing | Basil Dickey | Screenplay |
| Writing | George H. Plympton | Screenplay |
| Writing | Jack Foley | Screenplay |
| Production | Henry MacRae | Associate Producer |
| Camera | Richard Fryer | Director of Photography |
| Editing | Saul A. Goodkind | Editor |
| Art | Thomas F. O'Neill | Art Direction |
| Crew | George DeNormand | Stunts |
| Crew | George Magrill | Stunts |
| Crew | Carl Laemmle | Presenter |
