Alastair Reid Director, Screenwriter Diana Dors Liz , Luci's Mother Actor Linda Hayden Luci Actor Ann Lynn Amy , Robert's wife Actor Keith Barron Doctor Robert , Amy's husband Actor Sheila Steafel Tessa Pearson Actor Dick Emery Harry Pearson Actor Derek Lamden Nicholas Quayle Actor Sally Stephens Margo Pearson Actor Guido Coen Producer, Screenwriter Michael Klinger Screenwriter Desmond Dickinson Cinematographer John Glen Film Editor Max Harris Original Music