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.
Pauline Hargrave
Robert Ward (as Robert Allen)
Prof. Hargrave
Dr. Bashan
Willie Dodge
Fang
Tim Sullivan
Prof. Thompson
Haggins, Foreign Consul
American Consul
