Guest Stars James Grout as Chief Superintendent Strange Peter Woodthorpe as Dr. Max DeBryn Norman Jones as Chief Inspector/Superintendent Bell Philip Voss as Coroner Patrick Troughton as George Jackson Gemma Jones as Anne Staveley James Laurenson as Tony Richards Richard Durden as Alan Richards Souad Faress as Hospital Doctor Charles Hodgson as Jack Hornsby David Michaels as Pete Adam Morris as Constable Morris Gary Webster as Colin Spencer Leigh as Ned Murdoch Charlotte Mitchell as Mrs Staveley Richard Cubison as Pharmacist Irene Sutcliffe as Mrs Hornsby Rupert Holliday-Evans as David Annie Lambert as Adele Richards Paul Dixey as Tutor Christopher Guinee as Grimes Sally Cooper as Receptionist Charlotte Stone as Charlotte Gary Powell as Constable