Detective Inspector Campbell (Gordon Jackson) looks into the murder of a teacher at a girls school where there are a number of suspects, including her colleagues and the married man she had been seeing.
as Miss Shepherd
as Detective Inspector Campbell
as Helen Cooper
as Miss Halstead
as Miss Hopkinson
as Miss Oliphant
as Miss Essex
as Miss Stanislaus
as Sergeant Harvey (Uncredited)
as Mr. Lawley (uncredited)
as Mary (uncredited)
as Inspector Burgess (uncredited)
as Mrs. White (uncredited)
as Mrs. White (uncredited)
as Brenda (uncredited)
as Mrs. Lawley (uncredited)
as Mrs. Vaughan (uncredited)
