Rick Blaine (from "Casablanca")

Rick Blaine, a main character in "Casablanca," is a cynical American expatriate who owns a nightclub in Moroccan Casablanca during World War II. Initially portrayed as detached and self-interested, he harbors a past romance with Ilsa Lund. Throughout the film, Rick evolves from a guarded individual to someone willing to sacrifice personal happiness for a greater cause, notably aiding refugees fleeing the Nazis. His complexity, moral dilemmas, and ability to balance personal desires with noble action make him a compelling and memorable figure in classic cinema.