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) on December 19, 1944, in which Dooley Wilson reprised his role as Sam. Julius Epstein made two attempts to turn the film into a Broadway musical, in 1951 and 1967, but neither made it to the stage. The original play, "Everybody Comes to Rick's", was produced in Newport, Rhode Island, in August 1946, and again in London in April 1991, but met with no success. The film was adapted into a musical by the Takarazuka Revue, an all-female Japanese musical theater company, and ran from November 2009 through February 2010. "Casablanca" was part of the film colorization controversy of the