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.
Bela Lugosi
Clayton Moore
Joan Barclay
George Pembroke
Robert Frazer
Robert Fiske
Irving Mitchell
Edward Peil Sr.
Kenneth Harlan
Max Hoffman Jr.
Joseph Eggenton
I. Stanford Jolley
Frank Melton