Sapphire

Two Scotland Yard detectives investigate the murder of a young woman of mixed race who had been passing for white. As they interview a spate of suspects -- including the girl's white boyfriend and his disapproving parents -- the detectives wade through a stubbornly entrenched sludge of racism and bigotry.

Cast: Nigel Patrick, Michael Craig, Yvonne Mitchell, Paul Massie, Bernard Miles, Olga Lindo