 CHAR: In Mrs. Peacocks ending, she leaves the house and sees the  FBI agent, who greets her as "Mrs. Peacock." "How did you know my  name?" she replies. However, that isnt her name, as the beginning  of the movie establishes that all the guests are using aliases.  Furthermore, in Miss Scarlets ending, Miss Scarlet is revealed to  know Mrs. Peacocks husband from her real job, and still refers to  Mrs. Peacocks husband as "Senator Peacock."