Casablanca : los secretos del rodaje

Casablanca tiene en total tiene 5 quotes que, a manera de homenaje, han sido utilizadas en otras cintas: "here's looking at you, kid", "Louis, I think this is the beginning of a beautiful friendship", "Play it, Sam, play 'As time goes by'", "Round up the usual suspects", "We'll always have Paris", "Of all the gin joints in all the towns in all the world, she walks into mine".