Detective Inspector Gregory
Leopold Dryden
Joan Dryden
Rodney Fleming
Julian Caird
Guy Bannister
Poppy Levine
Herbert Evans
Sydney Parsons
Sir Herbert Farquharson
Chief Commissioner
Joseph Higgins (uncredited)
Weisskopf (uncredited)
Man on BBC Reception Desk (uncredited)
Peter Ridgwell (uncredited)
5.5
/1934
5.8
/1966
6
/2013
7
/2003
7.287
/2004
7.1
/2012
6.4
/2006
6.076
/2004
6
/2016
6.6
/2003
6.5
/2008
6.3
/2007
5.756
/2002
7.5
/2011
7.2
/2012
7.7
/2009
7.202
/1997
