
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)