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.
Length 180 minutes
Christopher Lee | Patrick Macnee | Morgan Fairchild | John Bennett | Michael Siberry | Dominic Jephcott | Frank Middlemass | James Bree | Tom Chadbon | Paul Humpoletz | Tom Lahm | Ronald Hines | Nicholas Gecks | Jenny Quayle | Charlotte Attenborough | Kalman Glass | Robert Rietti | Terence Beesley | Patrick Monckton | Leon Lissek | Cyril Shaps | Guy Scantlebury | Jerome Willis | Margaret John | Michael McStay | Engelbert Humperdinck