A Night in Casablanca storyline for the film was intended to be a direct parody of "Casablanca," with the characters having similar-sounding names to the characters and actors in the 1942 film. Groucho Marx has said that an early draft named his character "Humphrey Bogus", a reference to the leading actor in "Casablanca," Humphrey Bogart. Warner Bros. did not actually litigate, or even threaten to litigate, but it did issue a formal inquiry to the Marx Brothers concerning the plot and script of the film. The Marx Brothers exploited the situation for publicity, making it appear to the public that a frivolous lawsuit was
Casablanca (film) final scene, Renault recommends fleeing to that Free French-held city) was planned, but never produced. (A newspaper article at the time mentions that Bogart and Greenstreet "will continue their characterizations from the first film, and it's likely that Geraldine Fitzgerald will have an important role".). Since then, no studio has seriously considered filming a sequel or outright remake. François Truffaut refused an invitation to remake the film in 1974, citing its cult status among American students as his reason. Attempts to recapture the magic of "Casablanca" in other settings, such as "Caboblanco" (1980), "a South American-set retooling of "Casablanca"", and