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) "The Usual Suspects". Woody Allen's "Play It Again, Sam" (1972) appropriated Bogart's "Casablanca" persona as the fantasy mentor for Allen's character. The film "Casablanca" was a plot device in the science-fiction television movie "Overdrawn at the Memory Bank" (1983), based on John Varley's story. It was referred to in Terry Gilliam's dystopian "Brazil" (1985). Warner Bros. produced its own parody in the homage "Carrotblanca", a 1995 Bugs Bunny cartoon. Film critic Roger Ebert pointed out the plot of the film "Barb Wire" (1996) was identical to that of "Casablanca". In "Casablanca", a novella by Argentine writer Edgar Brau, the protagonist