Casablanca, the film, is often listed as one of the greatest films of all time. Casablanca, the city, doesn’t make such lists for cities.
If you are here and feel the need to pay homage somehow, then try Ricks Cafe at the northern end of the Medina.
[Ricks Cafe - Casablanca]
There is also a bar called Casablanca Mechoui on Rue Ghali Ahmed.
[Casablanca Mechoui]