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
25 January 1990
8 May 1952
1 July 1997
15 December 2009
5 November 2014
25 April 2018
15 September 2021
13 August 2015
20 November 2013
17 June 2015
15 December 2021
3 April 2018
30 July 2014
13 November 2017
15 November 2017
16 December 2020
1 June 2016
30 April 2004
3 August 2016
6 December 1991