In today’s Hollywood, when a film opens big on Friday morning, the sequel goes into development Friday afternoon. Screenwriters are sometimes preemptively hired to write follow-ups to in production films on the off chance it’s a big hit. Most people credit that mindset with the rise of the blockbuster in the 1970s but blockbusters didn’t start there. Some of the most successful movies of all time were released well before and very few had aspirations beyond the end credits.

One example of that is Casablanca, inarguably one of the best films ever made. Since its release 70 years ago, fans obviously discussed the where abouts of Rick (Humphrey Bogart) and Ilsa (Ingrid Bergman) but few likely thought they’d ever see a sequel. However, a article in the New York Post reveals we’ve been closer than expected on numerous occasions and one film in particular, Return to Casablanca, could still get made. Based on an 1980s treatment by one of the original writers, Howard Koch, the story takes place about 20 years after the original film with Rick and Ilsa’s son returning to search for his biological father.

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