Overview
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.
Cast & Crew
Director: Peter Sasdy
Cast: Christopher Lee, Patrick Macnee, Morgan Fairchild, John Bennett, Michael Siberry, Dominic Jephcott, Frank Middlemass, James Bree, Tom Chadbon, Paul Humpoletz, Tom Lahm, Ronald Hines
