Casablanca (film) misquotation. One of the lines most closely associated with the film—"Play it again, Sam"—is inaccurate. When Ilsa first enters the Café Americain, she spots Sam and asks him to "Play it once, Sam, for old times' sake." After he feigns ignorance, she responds, "Play it, Sam. Play 'As Time Goes By'." Later that night, alone with Sam, Rick says, "You played it for her, you can play it for me," and "If she can stand it, I can! Play it!" Rick's toast to Ilsa, "Here's looking at you, kid", used four times, was not written into the draft screenplays, but
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