American, Chinese and Australian agents join forces to stop the Nazis from obtaining the formula for synthetic fuel.
Lloyd Bridges
as Phil Corrigan (Secret Agent X-9)
Keye Luke
as Ah Fong
Jan Wiley
as Lynn Moore
Victoria Horne
as Nabura
Samuel S. Hinds
as Solo
Cy Kendall
as Lucky Kamber
Jack Overman
as Marker
Clarence Lung
as Takahari
Benson Fong
as Dr. Hakahima
Arno Frey
as Kapitan Grut
Ferdinand Munier
as Papa Pierre Dupray
Ann Codee
as 'Mama Pierre' Dupray