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.
Christopher Lee
as Dr. Fu Man Chu
Nigel Green
as Sir Nyland Smith
Joachim Fuchsberger
as Karl Janssen
Karin Dor
as Maria Muller Janssen
James Robertson Justice
as Sir Charles
Howard Marion-Crawford
as Dr. Petrie
Tsai Chin
as Lin Tang
Walter Rilla
as Prof. Hans Muller-Mertens
Harry Brogan
as Gaskell
Francesca Tu
as Lotus
Archie O'Sullivan
as Chamberlain
Edwin Richfield
as Chief Magistrate
