Sherlock Holmes and Doctor Watson get involved with Balkan terrorists to save Emperor Franz Joseph I of Austria from an assassination at the opera house and prevent World War I.
Sherlock Holmes and Doctor Watson get involved with Balkan terrorists to save Emperor Franz Joseph I of Austria from an assassination at the opera house and prevent World War I.
Christopher Lee , Patrick Macnee , Morgan Fairchild
Brian West
Harmony Gold , Silvio Berlusconi Communications
as Sherlock Holmes
as Dr. Watson