Guest Stars James Grout as Chief Superintendent Strange Richard Huw as Detective Constable Dearden Mark Strong as PC Mike Butterworth Madelaine Newton as Beryl Newsome Ian McDiarmid as Hugo De Vries Diane Fletcher as Marion Brooke Roland Oliver as Conductor James Smith as R.G. Prettyman Steven Elliot as Officious Constable Ken Drury as Norman Piers Ibbotson as Ambulance Man Michael Mears as Wine Merchant Richard Kane as Chief Inspector Bottomley Jenny Howe as Angry Neighbour Iain Cuthbertson as Desmond McNutt Tip Tipping as P.C. Dene Yvonne Gidden as Yvonne Celestine Randall as Sandra Machin John Arthur as Hall Porter Uncredited Colin Dexter as Man in Choir