The Late Edwina Black

When a sickly Victorian woman dies suddenly, a postmortem reveals that her body contains a fatal dose of arsenic. Suspicion falls on her husband and her companion, who are lovers. Inspector Martin of Scotland Yard solves the mystery of her death... over a cup of tea.

• 
  Maurice Elvey
• 
  Betty Harley
• 
  Buddy Booth
• 
  Kenneth Rick
• 
  Jean Dyball

• 
  David Farrar
  Gregory Black
• 
  Geraldine Fitzgerald
  Elizabeth Grahame
• 
  Roland Culver
  Inspector Martin
• 
  Jean Cadell
  Ellen
• 
  Mary Merrall
  Lady Southdale
• 
  Harcourt Williams
  Dr. Septimus Prendergast
• 
  Charles Heslop
  Vicar
• 
  Ronald Adam
  Head-Master
• 
  Sidney Monckton
  Horace (uncredited)