Feature version of the 1940 Republic serial, about Fu Manchu's attempt to conquer Asia.
| Actor | Role |
|---|---|
 Henry BrandonDr. Fu Manchu | Dr. Fu Manchu |
 William RoyleSir Dennis Nayland Smith | Sir Dennis Nayland Smith |
 Robert KellardAllan Parker | Allan Parker |
 Luana WaltersMary Randolph | Mary Randolph |
 Olaf HyttenDr. Petrie | Dr. Petrie |
 Tom ChattertonProf. Randolph | Prof. Randolph |
 Gloria FranklinFah-Lo-Suee | Fah-Lo-Suee |
 John MertonLoki | Loki |
 Lal Chand MehraSirdar Prahni | Sirdar Prahni |