A 2012, The Daily Telegraph da Entertainment Weekly sun ruwaito kokarin Cass Warner, jikan Harry Warner da abokin marigayi Howard Koch, don samar da wani ci gaba wanda ke nuna binciken da Rick Blaine da Ilsa Lund suka yi na inda mahaifinsa na mahaifinsa yake.Littafin As Time Goes By, wanda Michael Walsh ya rubuta kuma aka buga a 1998, Warner ya ba da izini.Littafin ya ɗauki inda fim din ya bar, kuma yana ba da labarin abin ban mamaki na Rick a Amurka.Littafin ya sadu da nasara.David Thomson ya ba da wani abin da ba a sani ba a shekarar 1985.Akwai jerin shirye-shiryen talabijin guda biyu da ba su daɗe ba, dukansu biyu sun dogara ne akan littafin Casablanca, jikokin Harry Warner da aboki na marigayi Howard Koch.A ranar 19 ga watan Disamba, 1983, The Daily Telegraph da Entertainment Weekly sun ba da rahoto game da ƙoƙarin Cass Warner na samar da wani ci gaba wanda ke nuna binciken da Rick Blaine da ɗan ɗaurin ɗan Ilsa Lund suka yi don gano inda mahaifin mahaifin mahaifinsa yake.A ranar 3 ga watan Afrilu, 1944, an sake yin fim na farko da aka buga a
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