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) screen lovers reunited only to part. The irrefutible ["sic"] proof that great movies are accidents." Screenwriting teacher Robert McKee maintains that the script is "the greatest screenplay of all time". In 2006, the Writers Guild of America, West agreed, voting it the best ever in its list of the 101 greatest screenplays. The film has been selected by the American Film Institute for many of their lists of important American films: "Casablanca" was initially released on Betamax and VHS by Magnetic Video and later by CBS/Fox Video (as United Artists owned the rights at the time). It was next released