Guest Stars Liz Kettle as WPC Alex Jennings as Victor Preece John Golightly as Alford Nelson Kim Thomson as Helen Radford Trevor Martin as Alan Sowden Jean Ainslie as Cleaning Lady Maggie Wilkinson as Shirley San Lee as Maid Andrew Bradford as Trevor Radford Bernard Brown as Wheatley Isabel Dean as Isobel Radford Noël Johnson as Butler John Bird as George Linacre Lisa Harrow as Thelma Radford Paul Mooney as Pathologist Lionel Jeffries as Charles Radford Betty Marsden as Cynthia Preece Kamilla Blanche as Gail Simon Slater as Norman Weeks Paul Shelley as Stephen Radford
