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) colleges have adopted the tradition. Todd Gitlin, a professor of sociology who had attended one of these screenings, has said that the experience was "the acting out of my own personal rite of passage". The tradition helped the movie remain popular while other films famous in the 1940s have faded from popular memory. By 1977, "Casablanca" was the most frequently broadcast film on American television. On the film's 50th anniversary, the "Los Angeles Times" called "Casablanca"s great strength "the purity of its Golden Age Hollywoodness [and] the enduring craftsmanship of its resonantly hokey dialogue". Bob Strauss wrote in the newspaper