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 | Sherlock Holmes | |
Patrick Macnee | Dr. Watson | |
Morgan Fairchild | Irene Frances Adler | |
John Bennett | Dr. Sigmund Freud | |
Engelbert Humperdinck | Eberhardt Bohm | |
Michael Siberry | Franz Winterhauser |
View Full Cast >