A Shot in the Dark (1964)

Ballon household: Benjamin Ballon and his wife Madame Ballon, Henri Lafarge the head Butler and his wife Madame Lafarge the Cook, Miguel Ostos the Head Chauffeur, Maria Gambrelli the third maid, Pierre the second Chauffeur and his wife Dudo the head Maid, Georges the Gardener and his wife Simone the second Maid, Maurice the second Butler. Affairs: Monsieur Ballon and Maria, Maria and Miguel, Henri and Dudo, Madame Ballon and Henri, Pierre and Simone. Who killed who: Madame Ballon accidentally shot Miguel because she suspected her husband of having an affair with Maria and wanted to kill him. Madame LaFarge killed Georges because he threatened to break up with her. Simone killed Dudo to eliminate her because she was in the way of her affair with Pierre. Monsieur Ballon killed Henri because he was having an affair with his wife. Blackmailers: Georges blackmailing Monsieur Ballon (Seen leaving Maria's room). Maurice blackmailing Madame Ballon. (Seen leaving Maria's room).