Harry Lime is a fictional character from the 1949 film The Third Man, directed by Carol Reed. He is portrayed by actor Orson Welles and is known for his charming yet morally ambiguous personality. Lime is a black market dealer in post-World War II Vienna, involved in the illegal trade of diluted penicillin, which leads to tragic consequences. The character of Harry Lime has become iconic in cinema, representing the darker side of human nature. His famous line about the Swiss and their cuckoo clocks highlights his cynical worldview. Lime's complex character has made him a subject of analysis in film studies and popular culture.