Regreso de Fu-Manchú was released in the year 1965。Regreso de Fu-Manchú is also called as The Face of Fu Manchu, The Mask of Fu M, Masque de Fu-Manchu, Dr. Fu Man Chu, Ich, Fu Manciu: operazione Tigre, Fu Manchu 1, Fu Manchu - skräckens mästare, Fu Manchu - kauhun mestari, Fu Manchu - A.S. 3 operazione drago。

Grisly strangulations in London alert Nayland Smith of Scotland Yard to the possibility that fiendish Fu Manchu may not after all be dead, even though Smith witnessed his execution. A killer spray made from Tibetan berries seems to be involved and clues keep leading back to the Thames.