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.
as Superintendent Robert Hazard
as Inspector Phil Learoyd
as Mildred
as David Harris
as Ted Harris
as Mrs. Harris
as Dr. Robbins
as Paul Slade
as Student
as Detective Whitehead (uncredited)
as Sapphire Robbins
as Patsy
as Horace Big Cigar
as Police Constable
as Lingerie Shop Manageress
as Student
as Sgt. Cook
as Ferris
as Barman
as Johnnie Fiddle
as Sapphire's Landlady
as Man on the Street
as Police Sgt.
as Doctor Burgess
as Lily
as Newsagent's Wife
as Johnnie Fiddle's Landlady
as Girl at Tulip Club
as Nightclub Owner
as Student
as Newsagent
as Mr. Young
as Pianist in International Club
as Student
as Doctor at Crime Scene
as Boy
as Student (International Club)
as Bit Part
as Youth
as Woman in Street
as Dancer in Nightclub
as Police Constable
