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
12 September 1990
1 August 1954
20 December 1974
21 November 2003
5 July 1989
5 December 1997
16 April 1988
5 November 2014
29 July 2011
4 October 2006
15 June 1994
26 August 2016
18 September 2003
12 December 2008
22 September 1995
12 December 1988
10 December 1999
6 December 1991