The story gets under way at a weekend house party where a scientist is murdered and his secret papers stolen. Putting his "little grey cells" in action, Belgian detective Hercule Poirot methodically pieces together the clues, revealing the culprit to be -- you guessed it -- the Least Likely Suspect.

Cast:René Alexandre, Harry Arbell, Maxime Desjardins, Gaston Dupray, Alice Field, Maurice Varny,

Genre:Crime, Drama, Thriller, Mystery,

country:United Kingdom, France,

Production:Les Établissements Jacques Haïk,