Casablanca (film) right. The Jack Benny Fan Club can feel vindicated." The film was based on Murray Burnett and Joan Alison's then-unproduced play "Everybody Comes to Rick's". The Warner Bros. story analyst who read the play, Stephen Karnot, called it (approvingly) "sophisticated hokum", and story editor Irene Diamond, who had discovered the unproduced play on a trip to New York in 1941, convinced producer Hal Wallis to buy the rights in January 1942 for $20,000, the most anyone in Hollywood had ever paid for an unproduced play. The project was renamed "Casablanca", apparently in imitation of the 1938 hit "Algiers". Although an
Casablanca (film) seats and a retractable roof. As Tangier was in Spanish territory, the theatre's wartime bar heaved with spies, refugees and underworld hoods, securing its place in cinematic history as the inspiration for Rick's Cafe in "Casablanca"." The scene of the singing of "La Marseillaise" in the bar is attributed by the film scholar Julian Jackson as an adaptation of a similar scene from Jean Renoir's film from 5 years before titled "La Grande Illusion". The first writers assigned to the script were twins Julius and Philip Epstein who, against the wishes of Warner Brothers, left at Frank Capra's request early