- A Hollywood legend claims that Warner Brothers, makers of "Casablanca," threatened to sue the Marx Brothers for using the word "Casablanca" in the title of "A Night In Casablanca." Groucho Marx wrote a letter to Warner Brothers in which he threatened to sue them for using the word "Brothers." "Professionally, we were brothers before they ever were." However, film critic Richard Roeper claims that the story is fake, that Warner Brothers never threatened to sue, and Groucho wrote the letter as a publicity stunt for the movie.
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