Cast
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 (Acting)
Patrick Macnee (Acting)
Morgan Fairchild (Acting)
John Bennett (Acting)
Michael Siberry (Acting)
Dominic Jephcott (Acting)
Frank Middlemass (Acting)
James Bree (Acting)
Tom Chadbon (Acting)
Paul Humpoletz (Acting)
Ronald Hines (Acting)
Nicholas Gecks (Acting)
Robert Rietti (Acting)
Terence Beesley (Acting)
Leon Lissek (Acting)
Cyril Shaps (Acting)
Jerome Willis (Acting)
Margaret John (Acting)
Engelbert Humperdinck (Acting)
28 September 1971
8 May 1952
1 July 1997
16 October 2014
7 October 2016
11 January 2002
18 December 2003
1 December 1964
6 August 2014
17 September 2003
3 February 2016
14 March 2012
6 November 2007
6 June 2014
25 December 2014
21 May 2013
8 February 2017
17 December 2014
14 December 2001
9 May 1928
6 December 1991