It is prior to the commencement of World War II, and Japan's fiendish Black Dragon Society is hatching an evil plot with the Nazis. They instruct a brilliant scientist, Dr. Melcher, to travel to Japan on a secret mission. There he operates on six Japanese conspirators, transforming them to resemble six American leaders. The actual leaders are murdered and replaced with their likeness.
as Dr. Melcher/ Monsieur Colomb
as FBI Agent Richard ‘Dick’ Martin
as Alice Saunders
as Dr. William Saunders
as Amos Hanlin
as Phillip Wallace
as John Van Dyke
as Ryder
as FBI Chief Colton
as Kearney
as Stevens
as The Dragon
as FBI Agent
