Cast
A Scotland Yard investigator looks into four mysterious cases involving an unoccupied house.
Christopher Lee (Acting)
Peter Cushing (Acting)
Denholm Elliott (Acting)
Joanna Dunham (Acting)
Tom Adams (Acting)
Robert Lang (Acting)
Joss Ackland (Acting)
Nyree Dawn Porter (Acting)
Chloe Franks (Acting)
Jon Pertwee (Acting)
Ingrid Pitt (Acting)
Geoffrey Bayldon (Acting)
John Bennett (Acting)
John Malcolm (Acting)
Joanna Lumley (Acting)
Jonathan Lynn (Acting)
Hugh Manning (Acting)
4 October 1970
17 March 1973
23 March 1972
27 January 1989
16 October 1970
17 November 1972
1 December 1969
30 April 2007
17 January 1971
1 November 1985
13 June 1962
2 December 1988
29 July 1971
17 December 1984
29 April 1964
11 June 2021
1 January 1932
7 February 1980
3 February 2012
20 April 2022
22 February 1971