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.
Nigel Patrick
Michael Craig
Yvonne Mitchell
Paul Massie
Bernard Miles
Olga Lindo
Earl Cameron
Gordon Heath
Barbara Steele
Peter Vaughan
Yvonne Buckingham
Jocelyn Britton
Robert Adams
Desmond Llewelyn
Fenella Fielding
Susan Stranks
Freda Bamford
Rupert Davies
Orlando Martins
Harry Baird
Grace Arnold
Thomas Baptiste
Victor Brooks
Basil Dignam
Dorothy Gordon
Nora Gordon
Lucy Griffiths
Vanda Hudson
Dan Jackson
Philip Lowrie
Bartlett Mullins
Philip Ray
Lloyd Reckord
John Richardson
Richard Vernon
Christopher Witty
Dolores Mantez
Anthony Singleton
Geremy Phillips
Joan Hooley
Boscoe Holder
George Curtis