American, Chinese and Australian agents join forces to stop the Nazis from obtaining the formula for synthetic fuel.
| Actor | Role |
|---|---|
 Lloyd BridgesPhil Corrigan (Secret Agent X-9) | Phil Corrigan (Secret Agent X-9) |
 Keye LukeAh Fong | Ah Fong |
 Jan WileyLynn Moore | Lynn Moore |
 Victoria HorneNabura | Nabura |
 Samuel S. HindsSolo | Solo |
 Cy KendallLucky Kamber | Lucky Kamber |
 Jack OvermanMarker | Marker |
 Clarence LungTakahari | Takahari |
 Benson FongDr. Hakahima | Dr. Hakahima |
| AArno FreyKapitan Grut | Kapitan Grut |
 Ferdinand MunierPapa Pierre Dupray | Papa Pierre Dupray |
 Ann Codee'Mama Pierre' Dupray | 'Mama Pierre' Dupray |
| EEdward HowardDrag Dorgan | Drag Dorgan |