In which film does Humphrey Bogart say the famous line, "Here's looking at you, kid"?

Humphrey Bogart delivers the famous line "Here's looking at you, kid" in the film "Casablanca." This iconic line is spoken by Bogart's character, Rick Blaine, to Ingrid Bergman's character, Ilsa Lund, in the classic 1942 film directed by Michael Curtiz. "Casablanca" is widely regarded as one of the greatest films in cinema history, and this particular line has become an enduring part of popular culture.